Hail Map for Grinnell, IA

The Grinnell, IA area has had 9 reports of on-the-ground hail by trained spotters, and has been under severe weather warnings 26 times during the past 12 months. Doppler radar has detected hail at or near Grinnell, IA on 59 occasions, including 6 occasions during the past year.

Name: Grinnell, IA
Where Located: 47.1 miles ENE of Des Moines, IA
Map: Google Map for Grinnell, IA
Population: 9218
Housing Units: 3844
More Info: Search Google for Grinnell, IA

Hail and Wind Damage Spotted near Grinnell, IA

Date / Time Report Details
7/28/2023 9:02 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/29/2023 10:35 AM CDT At 901 pm cdt, severe thunderstorms were located along a line extending from koszta to near malcom to lambs grove, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, holiday lake, malcom, brooklyn, kellogg, victor, victor, sully, guernsey, lynnville and searsboro. this includes interstate 80 between mile markers 152 and 204. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/28/2023 8:24 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/28/2023 8:36 PM CDT At 823 pm cdt, severe thunderstorms were located along a line extending from near vining to gilman to near mingo, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. severe thunderstorms will be near, gilman, chelsea, elberon and vining around 830 pm cdt. rock creek lake and rock creek state park around 835 pm cdt. other locations in the path of these severe thunderstorms include grinnell, hartwick, prairie city krohn airport, grinnell regional airport, newton, lambs grove, iowa speedway, malcom, newton municipal airport, kellogg, brooklyn and reasnor. this includes interstate 80 between mile markers 152 and 204. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/13/2023 9:27 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/13/2023 9:42 PM CDT The severe thunderstorm warning for western poweshiek county will expire at 930 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire.
7/13/2023 9:16 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/13/2023 9:36 PM CDT At 915 pm cdt, a severe thunderstorm was located near grinnell regional airport, or near grinnell, moving southeast at 30 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, searsboro and montezuma. this includes interstate 80 between mile markers 181 and 194. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
7/13/2023 8:50 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/13/2023 9:02 PM CDT At 850 pm cdt, a severe thunderstorm was located over gilman, or 7 miles north of grinnell, moving southeast at 35 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. this severe storm will be near, rock creek lake and rock creek state park around 855 pm cdt. grinnell and oakland acres around 900 pm cdt. other locations in the path of this severe thunderstorm include grinnell regional airport, malcom, searsboro, montezuma and barnes city. this includes interstate 80 between mile markers 174 and 204. hail threat, radar indicated max hail size, 1. 50 in wind threat, radar indicated max wind gust, <50 mph.
7/13/2023 8:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/13/2023 9:04 PM CDT At 840 pm cdt, a severe thunderstorm was located over ferguson, or 9 miles southeast of marshalltown, moving southeast at 35 mph (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. this severe thunderstorm will be near, gilman around 845 pm cdt. rock creek lake and rock creek state park around 855 pm cdt. grinnell and oakland acres around 900 pm cdt. other locations in the path of this severe thunderstorm include grinnell regional airport, malcom, searsboro, montezuma and barnes city. this includes interstate 80 between mile markers 172 and 204. hail threat, observed max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
7/12/2023 8:57 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/12/2023 9:53 AM CDT The severe thunderstorm warning for northwestern poweshiek, southeastern marshall, southwestern tama and northeastern jasper counties will expire at 900 am cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 1100 am cdt for central iowa.
7/12/2023 8:46 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/12/2023 9:23 AM CDT At 846 am cdt, a severe thunderstorm was located near gilman, or 6 miles northwest of grinnell, moving east at 60 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. locations impacted include, grinnell. this includes interstate 80 between mile markers 162 and 191. hail threat, radar indicated max hail size, 0. 75 in wind threat, radar indicated max wind gust, 60 mph.
7/12/2023 8:18 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/12/2023 8:41 AM CDT At 818 am cdt, a severe thunderstorm was located over mingo, or 12 miles northeast of altoona, moving east at 60 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. this severe thunderstorm will be near, newton, baxter and lambs grove around 830 am cdt. other locations in the path of this severe thunderstorm include kellogg, laurel, rock creek lake, oakland acres, rock creek state park, grinnell, gilman, grinnell regional airport and malcom. this includes interstate 80 between mile markers 145 and 191. hail threat, radar indicated max hail size, 0. 75 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:53 PM CDT Semi trailer blown over at mile marker 185 on interstate 80 between grinnell and malcolm exits. via iowa dot camer in poweshiek county IA, 3 miles NW of Grinnell, IA
5/7/2023 4:50 PM CDT Baseball sized hail reported 6.1 miles NW of Grinnell, IA, spotter reported strong winds and large hail with wide range of sizes. potentially some wind damage.
5/7/2023 4:50 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 5:17 PM CDT At 450 pm cdt, severe thunderstorms were located along a line extending from toledo municipal airport to near searsboro, moving east at 35 mph. these are destructive storms for poweshiek county (trained weather spotters). Hazards include baseball size hail and 60 mph wind gusts. People and animals outdoors will be severely injured. expect shattered windows, extensive damage to roofs, siding, and vehicles. locations impacted include, grinnell, searsboro and grinnell regional airport. this includes interstate 80 between mile markers 181 and 186. thunderstorm damage threat, destructive hail threat, observed max hail size, 2. 75 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:46 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 5:18 PM CDT At 445 pm cdt, a severe thunderstorm was located over oakland acres, or 6 miles west of grinnell, moving east at 40 mph. this is a destructive storm for poweshiek county (trained weather spotters). Hazards include baseball size hail and 60 mph wind gusts. People and animals outdoors will be severely injured. expect shattered windows, extensive damage to roofs, siding, and vehicles. this severe thunderstorm will be near, grinnell and grinnell regional airport around 455 pm cdt. searsboro around 500 pm cdt. other locations in the path of this severe thunderstorm include montezuma, malcom, brooklyn, deep river, guernsey, victor and victor. this includes interstate 80 between mile markers 181 and 204. thunderstorm damage threat, destructive hail threat, observed max hail size, 2. 75 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:45 PM CDT Ping Pong Ball sized hail reported 2.2 miles S of Grinnell, IA
5/7/2023 4:42 PM CDT Golf Ball sized hail reported 1.6 miles S of Grinnell, IA, via social media.
5/7/2023 4:42 PM CDT Trailers blown over at a dealership south of grinnell. report via social medi in poweshiek county IA, 2.6 miles N of Grinnell, IA
5/7/2023 4:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 5:18 PM CDT At 441 pm cdt, severe thunderstorms were located along a line extending from near toledo to near searsboro, moving east at 35 mph (trained weather spotters). Hazards include two inch hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, rock creek lake, gilman, oakland acres, searsboro, grinnell regional airport and rock creek state park. this includes interstate 80 between mile markers 174 and 186. thunderstorm damage threat, considerable hail threat, observed max hail size, 2. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:40 PM CDT Baseball sized hail reported 1.9 miles N of Grinnell, IA, accompanied by strong winds as well. via social media.
5/7/2023 4:34 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 5:02 PM CDT At 433 pm cdt, severe thunderstorms were located along a line extending from near garwin to 4 miles north of lynnville, moving east at 35 mph (trained weather spotters). Hazards include two inch hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, newton, grinnell, rock creek lake, kellogg, gilman, laurel, haverhill, oakland acres, searsboro, ferguson, grinnell regional airport and rock creek state park. this includes interstate 80 between mile markers 168 and 186. thunderstorm damage threat, considerable hail threat, observed max hail size, 2. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:27 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 4:49 PM CDT At 426 pm cdt, severe thunderstorms were located along a line extending from near garwin to 5 miles north of sully, moving east at 35 mph (trained weather spotters). Hazards include tennis ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, marshalltown, newton, grinnell, meskwaki casino, rock creek lake, iowa speedway, le grand, sully, kellogg, garwin, gilman, lynnville, montour, laurel, haverhill, lambs grove, oakland acres, searsboro, ferguson and grinnell regional airport. this includes interstate 80 between mile markers 159 and 186. thunderstorm damage threat, considerable hail threat, observed max hail size, 2. 50 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:24 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 4:50 PM CDT At 424 pm cdt, severe thunderstorms were located along a line extending from near garwin to 4 miles north of sully, moving east at 35 mph (trained weather spotters). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, marshalltown, newton, grinnell, meskwaki casino, rock creek lake, iowa speedway, le grand, sully, kellogg, garwin, gilman, lynnville, montour, laurel, haverhill, lambs grove, oakland acres, searsboro, ferguson and grinnell regional airport. this includes interstate 80 between mile markers 159 and 186. hail threat, observed max hail size, 1. 50 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:19 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 4:36 PM CDT At 419 pm cdt, a severe thunderstorm was located over kellogg, or 8 miles east of newton, moving east at 35 mph (trained weather spotters). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell regional airport and grinnell. this includes interstate 80 between mile markers 158 and 181. hail threat, observed max hail size, 1. 50 in wind threat, radar indicated max wind gust, 60 mph.
5/7/2023 4:15 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 4:25 PM CDT At 415 pm cdt, severe thunderstorms were located along a line extending from marshalltown municipal airport to lambs grove, moving east at 30 mph (trained weather spotters). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
5/7/2023 3:51 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/7/2023 4:10 PM CDT At 351 pm cdt, a severe thunderstorm was located over colfax, or 9 miles west of newton, moving east at 35 mph (trained weather spotters). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, newton and lambs grove around 405 pm cdt. iowa speedway and newton municipal airport around 410 pm cdt. other locations in the path of this severe thunderstorm include kellogg, rock creek lake, oakland acres, rock creek state park, grinnell and grinnell regional airport. this includes interstate 80 between mile markers 152 and 181. hail threat, observed max hail size, 1. 50 in wind threat, radar indicated max wind gust, 60 mph.
4/20/2023 12:06 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/20/2023 12:09 AM CDT At 1204 am cdt, severe thunderstorms were located along a line extending from near lincoln to 4 miles northwest of holiday lake to lake keomah state park, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, holiday lake, traer, chelsea, hartwick, vining, tf clark state park and elberon. this includes interstate 80 between mile markers 178 and 204. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
4/19/2023 11:54 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/20/2023 12:04 AM CDT The tornado warning for southwestern poweshiek and southeastern jasper counties will expire at midnight cdt, the tornado threat has diminished and the tornado warning has been cancelled. however, large hail and damaging winds remain possible and a severe thunderstorm warning remains in effect for the area. a severe thunderstorm watch remains in effect until 600 am cdt for central iowa. remember, a severe thunderstorm warning still remains in effect for eastern jasper and all of poweshiek counties.
4/19/2023 11:46 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/19/2023 11:55 PM CDT At 1144 pm cdt, a severe thunderstorm capable of producing a tornado was located near sully, or 9 miles southwest of grinnell, moving east at 45 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, grinnell regional airport around 1150 pm cdt. other locations in the path of this tornadic thunderstorm include searsboro. This includes interstate 80 between mile markers 177 and 184.
4/19/2023 11:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/19/2023 11:56 PM CDT At 1140 pm cdt, severe thunderstorms were located along a line extending from beaman to 4 miles northwest of grinnell to 5 miles southwest of beacon, moving northeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. severe thunderstorms will be near, grinnell, gilman and union grove state park around 1145 pm cdt. gladbrook around 1150 pm cdt. other locations in the path of these severe thunderstorms include keomah village, lake keomah state park, oskaloosa municipal airport, toledo, tama, fremont, holiday lake, toledo municipal airport, rose hill, chelsea, vining and elberon. this includes interstate 80 between mile markers 169 and 204. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
4/19/2023 11:30 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/19/2023 11:49 PM CDT At 1130 pm cdt, a severe thunderstorm capable of producing a tornado was located over reasnor, or 6 miles south of newton, moving east at 50 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, sully and kellogg around 1140 pm cdt. lynnville and oakland acres around 1145 pm cdt. grinnell, searsboro and grinnell regional airport around 1150 pm cdt. This includes interstate 80 between mile markers 159 and 184.
4/4/2023 7:57 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/4/2023 8:07 PM CDT At 756 pm cdt, a severe thunderstorm was located over holiday lake, or 13 miles east of grinnell, moving northeast at 55 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, chelsea, hartwick and elberon. this includes interstate 80 between mile markers 182 and 199. hail threat, radar indicated max hail size, 1. 50 in wind threat, radar indicated max wind gust, 60 mph.
4/4/2023 7:37 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/4/2023 7:44 PM CDT At 736 pm cdt, a severe thunderstorm was located near grinnell regional airport, or 6 miles south of grinnell, moving northeast at 55 mph. this is a destructive storm for jasper and poweshiek (radar indicated). Hazards include baseball size hail and 60 mph wind gusts. People and animals outdoors will be severely injured. expect shattered windows, extensive damage to roofs, siding, and vehicles. this severe storm will be near, grinnell around 740 pm cdt. other locations in the path of this severe thunderstorm include malcom, brooklyn, holiday lake, hartwick and chelsea. this includes interstate 80 between mile markers 173 and 204. thunderstorm damage threat, destructive hail threat, radar indicated max hail size, 2. 75 in wind threat, radar indicated max wind gust, 60 mph.
4/4/2023 7:24 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/4/2023 7:31 PM CDT At 723 pm cdt, a severe thunderstorm was located near sully, or 9 miles north of pella, moving northeast at 55 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, lynnville around 730 pm cdt. oakland acres and searsboro around 735 pm cdt. grinnell regional airport around 740 pm cdt. other locations in the path of this severe thunderstorm include grinnell, malcom, brooklyn, holiday lake, hartwick and chelsea. this includes interstate 80 between mile markers 173 and 204. hail threat, radar indicated max hail size, 1. 25 in wind threat, radar indicated max wind gust, 60 mph.
8/27/2022 4:51 PM CDT At 451 pm cdt, a severe thunderstorm was located over grinnell, moving north at 10 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. this severe thunderstorm will remain over mainly rural areas of northwestern poweshiek, southwestern tama and northeastern jasper counties, including the following locations, montour. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
8/27/2022 4:32 PM CDT Quarter sized hail reported 0.6 miles NNE of Grinnell, IA, report from mping: quarter hail.
8/19/2022 4:19 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 11/22/2022 11:57 AM CDT At 419 pm cdt, a severe thunderstorm was located near grinnell, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will remain over mainly rural areas of northwestern poweshiek county, including the following locations, grinnell regional airport and malcom. this includes interstate 80 between mile markers 181 and 197. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
8/19/2022 4:03 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 11/22/2022 12:11 PM CDT At 403 pm cdt, a severe thunderstorm was located near rock creek lake, or near grinnell, moving east at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, grinnell and grinnell regional airport around 415 pm cdt. other locations in the path of this severe thunderstorm include malcom. this includes interstate 80 between mile markers 175 and 197. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
4/23/2022 8:17 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/23/2022 8:31 PM CDT At 817 pm cdt, severe thunderstorms were located along a line extending from near conrad to 9 miles northwest of rock creek lake to near monroe, moving northeast at 55 mph (broadcast media). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
3/5/2022 6:25 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/5/2022 6:35 PM CST At 625 pm cst, a confirmed tornado was located 8 miles north of grinnell, moving northeast at 40 mph (weather spotters confirmed tornado). Hazards include damaging tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, toledo and tama.
3/5/2022 6:03 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/5/2022 6:19 PM CST At 602 pm cst, a confirmed tornado was located near newton, moving northeast at 45 mph (weather spotters confirmed tornado). Hazards include damaging tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. the tornado will be near, rock creek lake around 610 pm cst. grinnell around 620 pm cst. Other locations in the path of this tornadic thunderstorm include toledo and tama.
12/15/2021 7:37 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 12/29/2021 10:13 AM CST At 736 pm cst, severe thunderstorms were located along a line extending from near ladora to near lancaster, moving east at 65 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, ottumwa, oskaloosa, grinnell, centerville, albia, bloomfield, montezuma, brooklyn, new sharon, eddyville, ottumwa industrial airport, lake sundown, rathbun lake, eldon, victor, fremont, moravia, agency, moulton and beacon.
12/15/2021 7:25 PM CST 2 semis overturned on i80 wb near the 185 to 186 mm... just east of grinnel in poweshiek county IA, 4.3 miles WNW of Grinnell, IA
12/15/2021 7:10 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 12/29/2021 10:15 AM CST At 710 pm cst, severe thunderstorms were located along a line extending from near tama to near oskaloosa, moving east at 75 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, newton, pella, grinnell, knoxville, monroe, melcher-dallas, baxter, iowa speedway, knoxville raceway, lake red rock, rock creek lake, sully, kellogg, lovilia, bussey, lynnville, harvey, lambs grove, leighton and oakland acres. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 70 mph.
12/15/2021 7:09 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 12/29/2021 10:15 AM CST At 708 pm cst, severe thunderstorms were located along a line extending from near grinnell to 11 miles west of unionville, moving east at 65 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
12/15/2021 6:24 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 12/29/2021 10:21 AM CST At 623 pm cst, severe thunderstorms were located along a line extending from slater to near new virginia, moving east at 75 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, melcher-dallas around 640 pm cst. other locations in the path of these severe thunderstorms include baxter and rock creek lake. this includes the following highways, interstate 35 between mile markers 39 and 72, and between mile markers 87 and 101. interstate 80 between mile markers 118 and 189. interstate 235 between mile markers 1 and 14. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 70 mph.
8/10/2021 3:00 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 12/28/2021 11:18 AM CDT At 300 pm cdt, a severe thunderstorm was located 8 miles southwest of meskwaki casino, or 11 miles north of grinnell, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, meskwaki casino around 310 pm cdt. toledo and tama around 320 pm cdt. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/14/2021 9:26 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/9/2022 10:19 PM CDT The severe thunderstorm warning for northern poweshiek and southern tama counties will expire at 930 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however gusty winds and heavy rain are still possible with this thunderstorm. a tornado watch remains in effect until 1100 pm cdt for central iowa.
7/14/2021 9:10 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/9/2022 10:21 PM CDT At 909 pm cdt, a severe thunderstorm was located near belle plaine, or 14 miles southeast of toledo, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, tama, brooklyn, victor, holiday lake, malcom, chelsea, hartwick and grinnell regional airport. This includes interstate 80 between mile markers 193 and 204.
7/14/2021 9:05 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/9/2022 10:22 PM CDT At 905 pm cdt, a severe thunderstorm was located 7 miles west of belle plaine, or 12 miles southeast of toledo, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, toledo, tama, brooklyn, meskwaki casino, le grand, victor, holiday lake, malcom, chelsea, montour, elberon, hartwick, vining, grinnell regional airport and toledo municipal airport. This includes interstate 80 between mile markers 193 and 204.
7/14/2021 8:45 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/9/2022 10:31 PM CDT At 844 pm cdt, a severe thunderstorm was located 8 miles north of grinnell, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/20/2021 8:13 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/14/2022 8:55 AM CDT At 813 pm cdt, a severe thunderstorm was located near grinnell, moving east at 20 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, brooklyn, victor, holiday lake, malcom, hartwick and guernsey. This includes interstate 80 between mile markers 191 and 204.
6/20/2021 7:59 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/14/2022 9:04 AM CDT At 759 pm cdt, a severe thunderstorm was located over grinnell, moving east at 20 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
6/20/2021 6:06 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/14/2022 9:53 AM CDT At 606 pm cdt, a severe thunderstorm was located near montezuma, moving east at 25 mph (trained weather spotters). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, rock creek lake, malcom, oakland acres, searsboro, grinnell regional airport and rock creek state park. This includes interstate 80 between mile markers 175 and 193.
6/20/2021 5:45 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/14/2022 9:58 AM CDT At 544 pm cdt, a severe thunderstorm was located near grinnell, moving east at 25 mph (trained weather spotters reported half dollar sized hail near oakland acres at 5:41 pm). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will remain over mainly rural areas of southwestern poweshiek and east central jasper counties, including the following locations, grinnell regional airport, malcom, oakland acres, rock creek state park and searsboro. This includes interstate 80 between mile markers 175 and 193.
6/20/2021 5:41 PM CDT Half Dollar sized hail reported 3.2 miles NE of Grinnell, IA
6/20/2021 5:33 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 1/14/2022 10:03 AM CDT At 533 pm cdt, a severe thunderstorm was located near rock creek lake, or 7 miles west of grinnell, moving east at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. this severe thunderstorm will be near, grinnell around 550 pm cdt. This includes interstate 80 between mile markers 170 and 193.
8/10/2020 12:10 PM CDT Semi blown over on i-80 just west of the grinnell interchang in poweshiek county IA, 2.1 miles NNE of Grinnell, IA
8/10/2020 12:04 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/10/2020 12:07 PM CDT At 1203 pm cdt, severe thunderstorms were located along a line extending from near traer to near victor to 6 miles west of delta, moving east at 60 mph. these are very dangerous storms (trained weather spotters reporting widespread wind damage). Hazards include 90 mph wind gusts and quarter size hail. some areas may have winds in excess of 100 mph!. You are in a life-threatening situation. flying debris may be deadly to those caught without shelter. mobile homes will be heavily damaged or destroyed. homes and businesses will have substantial roof and window damage. expect extensive tree damage and power outages. locations impacted include, marshalltown, oskaloosa, pella, grinnell, toledo, montezuma, tama, traer, brooklyn, dysart, new sharon, conrad, meskwaki casino, rock creek lake, gladbrook, le grand, victor, sully, garwin and gilman. This includes interstate 80 between mile markers 175 and 204.
8/10/2020 11:52 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/10/2020 11:55 AM CDT At 1152 am cdt, severe thunderstorms were located along a line extending from 8 miles east of conrad to near brooklyn to near oskaloosa, moving east at 60 mph. these are very dangerous storms (trained spotters). Hazards include 90 mph wind gusts and quarter size hail. You are in a life-threatening situation. flying debris may be deadly to those caught without shelter. mobile homes will be heavily damaged or destroyed. homes and businesses will have substantial roof and window damage. Expect extensive tree damage and power outages.
8/10/2020 11:44 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/10/2020 11:47 AM CDT At 1143 am cdt, severe thunderstorms were located along a line extending from 9 miles southwest of reinbeck to near brooklyn to 6 miles northwest of oskaloosa, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. extensive tree damage and power outages are likely. locations impacted include, marshalltown, newton, oskaloosa, pella, grinnell, toledo, montezuma, tama, colfax, monroe, traer, prairie city, state center, brooklyn, dysart, new sharon, baxter, iowa speedway, meskwaki casino and rock creek lake. This includes interstate 80 between mile markers 154 and 204.
8/10/2020 11:33 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/10/2020 11:37 AM CDT At 1133 am cdt, severe thunderstorms were located along a line extending from conrad to near grinnell to pella, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. extensive tree damage and power outages are likely. locations impacted include, marshalltown, newton, altoona, oskaloosa, pella, grinnell, pleasant hill, nevada, toledo, montezuma, carlisle, bondurant, story city, tama, mitchellville, colfax, monroe, traer, prairie city and state center. This includes interstate 80 between mile markers 142 and 204.
8/10/2020 11:19 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/10/2020 11:22 AM CDT At 1118 am cdt, severe thunderstorms were located along a line extending from 12 miles southwest of eldora to near newton to pleasantville, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely.
7/11/2020 6:43 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/11/2020 6:46 PM CDT At 642 pm cdt, a severe thunderstorm was located 9 miles south of grinnell, moving southeast at 45 mph (trained weather spotters reported quarter sized hail just east of newton as the storm passed through). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, montezuma, new sharon, lynnville, deep river, barnes city, rose hill and searsboro. This includes interstate 80 between mile markers 182 and 185.
7/11/2020 6:30 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/11/2020 6:33 PM CDT At 629 pm cdt, a severe thunderstorm was located near rock creek lake, or 7 miles east of newton, moving southeast at 45 mph (trained weather spotters have reported a history of severe hail with this storm). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/11/2020 6:17 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/11/2020 6:20 PM CDT At 617 pm cdt, a severe thunderstorm was located near newton, moving southeast at 55 mph (trained weather spotters). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect wind damage to roofs, siding, and trees. locations impacted include, newton, grinnell, rock creek lake, iowa speedway, sully, kellogg, oakland acres, grinnell regional airport and rock creek state park. This includes interstate 80 between mile markers 167 and 181.
7/11/2020 6:03 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/11/2020 6:06 PM CDT At 603 pm cdt, a severe thunderstorm was located near baxter, or 15 miles southeast of nevada, moving southeast at 55 mph (trained weather spotters have reported up to inch and a half hail with the storm so far). Hazards include two inch hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
6/22/2020 2:22 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/22/2020 2:25 AM CDT The severe thunderstorm warning for southwestern poweshiek and southeastern jasper counties will expire at 230 am cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds up to 50 mph are still possible with this thunderstorm.
6/22/2020 2:02 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/22/2020 2:05 AM CDT At 201 am cdt, a severe thunderstorm was located 9 miles south of rock creek lake, or 10 miles southwest of grinnell, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, montezuma, rock creek lake, sully, kellogg, lynnville, oakland acres, searsboro, grinnell regional airport and rock creek state park. This includes interstate 80 between mile markers 169 and 188.
6/22/2020 1:46 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/22/2020 1:49 AM CDT At 146 am cdt, a severe thunderstorm was located over iowa speedway, or near newton, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
8/20/2019 6:36 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/20/2019 6:43 AM CDT At 636 am cdt, the leading edge of severe thunderstorms was located along a line extending from near keswick to 7 miles southwest of delta to near albia to 9 miles south of chariton, moving east at 65 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, oskaloosa, pella, grinnell, knoxville, osceola, chariton, albia, montezuma, brooklyn, new sharon, melcher-dallas, eddyville, knoxville raceway, rock creek lake, lakeside casino, lake red rock, victor, sully, murray and fremont. this includes the following highways, interstate 35 between mile markers 30 and 42. Interstate 80 between mile markers 172 and 204.
8/20/2019 5:55 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/20/2019 5:58 AM CDT The national weather service in des moines has issued a * severe thunderstorm warning for. monroe county in south central iowa. poweshiek county in central iowa. lucas county in south central iowa. Marion county in south central iowa.
6/28/2019 9:30 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/28/2019 9:33 AM CDT At 930 am cdt, a severe thunderstorm was located over grinnell, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, rock creek lake, lynnville, malcom, oakland acres, grinnell regional airport and rock creek state park. This includes interstate 80 between mile markers 175 and 192.
6/28/2019 9:22 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/28/2019 9:25 AM CDT At 922 am cdt, a severe thunderstorm was located near grinnell, moving southeast at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/15/2019 6:20 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/15/2019 6:23 PM CDT At 619 pm cdt, severe thunderstorms were located along a line extending from near belle plaine to near montezuma to 6 miles northwest of oskaloosa, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. locations impacted include, pella, grinnell, montezuma, brooklyn, new sharon, victor, sully, holiday lake, lynnville, malcom, deep river, barnes city, searsboro, hartwick, guernsey and grinnell regional airport. This includes interstate 80 between mile markers 181 and 204.
6/15/2019 6:06 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/15/2019 6:09 PM CDT At 606 pm cdt, severe thunderstorms were located along a line extending from 7 miles west of belle plaine to near montezuma to near pella, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. locations impacted include, newton, pella, grinnell, montezuma, monroe, brooklyn, new sharon, iowa speedway, rock creek lake, victor, sully, kellogg, gilman, holiday lake, lynnville, malcom, deep river, barnes city, oakland acres and reasnor. This includes interstate 80 between mile markers 165 and 204.
6/15/2019 5:49 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/15/2019 5:52 PM CDT The national weather service in des moines has issued a * severe thunderstorm warning for. poweshiek county in central iowa. southeastern marshall county in central iowa. northeastern marion county in south central iowa. Southern tama county in central iowa.
5/16/2019 8:58 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/16/2019 9:01 PM CDT The national weather service in des moines has issued a * severe thunderstorm warning for. southern poweshiek county in central iowa. southeastern jasper county in central iowa. until 945 pm cdt. At 858 pm cdt, severe thunderstorms were located along a line.
5/16/2019 8:02 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/16/2019 8:05 PM CDT At 801 pm cdt, a severe thunderstorm was located near iowa speedway, or near newton, moving east at 25 mph (radar indicated). Hazards include half dollar size hail. damage to vehicles is expected
10/9/2018 5:08 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/9/2018 5:12 PM CDT At 507 pm cdt, a severe thunderstorm capable of producing a tornado was located over rock creek lake, or 4 miles west of grinnell, moving north at 25 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. Locations impacted include, grinnell, rock creek lake, oakland acres and rock creek state park.
10/9/2018 4:59 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/9/2018 5:06 PM CDT At 459 pm cdt, a severe thunderstorm capable of producing a tornado was located 6 miles southwest of grinnell, moving northeast at 30 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, rock creek lake around 510 pm cdt. grinnell around 515 pm cdt. other locations impacted by this tornadic thunderstorm include oakland acres and rock creek state park. This includes interstate 80 between mile markers 175 and 179.
10/8/2018 10:13 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/8/2018 10:17 PM CDT At 1013 pm cdt, a severe thunderstorm capable of producing a tornado was located 7 miles east of grinnell, moving northeast at 35 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. locations impacted include, grinnell and grinnell regional airport. This includes interstate 80 between mile markers 182 and 189.
10/8/2018 10:10 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/8/2018 10:14 PM CDT A severe thunderstorm warning remains in effect until 1015 pm cdt for poweshiek county, in addition, a tornado warning is in effect for a small portion of northwest poweshiek county until 1030 pm cdt. at 1008 pm cdt, a severe thunderstorm was located near brooklyn, or 9 miles east of grinnell, moving northeast at 45 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, montezuma, brooklyn, victor, holiday lake, malcom, hartwick and grinnell regional airport. This includes interstate 80 between mile markers 181 and 204.
10/8/2018 10:03 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/8/2018 10:07 PM CDT At 1003 pm cdt, a severe thunderstorm capable of producing a tornado was located near grinnell, moving northeast at 45 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this tornadic thunderstorm will remain over mainly rural areas of northwestern poweshiek county, including the following locations, grinnell regional airport. This includes interstate 80 between mile markers 182 and 189.
10/8/2018 9:54 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 10/8/2018 9:58 PM CDT At 954 pm cdt, a severe thunderstorm was located near grinnell, moving northeast at 45 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
8/31/2018 11:18 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/31/2018 11:21 PM CDT At 1118 pm cdt, a severe thunderstorm was located 8 miles south of grinnell, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, montezuma, rock creek lake, sully, lynnville, oakland acres, searsboro, grinnell regional airport and rock creek state park. This includes interstate 80 between mile markers 174 and 189.
8/31/2018 11:09 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/31/2018 11:12 PM CDT At 1055 pm cdt, a severe thunderstorm was located 7 miles east of monroe, or 8 miles north of pella, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
8/31/2018 10:55 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/31/2018 10:59 PM CDT At 1055 pm cdt, a severe thunderstorm was located 7 miles east of monroe, or 8 miles north of pella, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
8/5/2018 6:06 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/5/2018 6:10 PM CDT At 605 pm cdt, a severe thunderstorm was located near grinnell, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, grinnell, brooklyn and holiday lake.
8/5/2018 5:57 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/5/2018 6:01 PM CDT At 557 pm cdt, a severe thunderstorm was located near grinnell, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, grinnell, brooklyn, rock creek lake, holiday lake and rock creek state park.
8/5/2018 5:42 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/5/2018 5:46 PM CDT At 541 pm cdt, a severe thunderstorm was located near rock creek lake, or 9 miles west of grinnell, moving east at 30 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/6/2018 7:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/6/2018 7:45 PM CDT The severe thunderstorm warning for southern poweshiek, northeastern marion, mahaska and southeastern jasper counties will expire at 745 pm cdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however small hail, gusty winds and heavy rain are still possible with this thunderstorm. a severe thunderstorm warning continues for southern marion and mahaska counties until 815 pm cdt. a severe thunderstorm watch remains in effect until 1000 pm cdt for central and south central iowa.
6/6/2018 7:07 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/6/2018 7:10 PM CDT At 706 pm cdt, a severe thunderstorm was located over new sharon, or 10 miles southwest of montezuma, moving south at 15 mph (trained weather spotters reported 62 mph winds at pella at 701 pm cdt this evening). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, newton, oskaloosa, pella, grinnell, knoxville, montezuma, monroe, new sharon, iowa speedway, knoxville raceway, lake red rock, sully, beacon, university park, lynnville, deep river, harvey, barnes city, lambs grove and rose hill. This includes interstate 80 between mile markers 162 and 204.
6/6/2018 6:43 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/6/2018 6:46 PM CDT At 643 pm cdt, a severe thunderstorm was located near new sharon, or 7 miles west of montezuma, moving south at 15 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
6/6/2018 6:40 PM CDT 2 large trees down (3ft and 2.5ft diameter) via social medi in jasper county IA, 8.2 miles NNE of Grinnell, IA
6/6/2018 6:35 PM CDT Grinnell airpor in poweshiek county IA, 1.6 miles S of Grinnell, IA
6/6/2018 6:26 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/6/2018 6:30 PM CDT At 626 pm cdt, a severe thunderstorm was located near grinnell, moving south at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, newton, grinnell, montezuma, brooklyn, iowa speedway, rock creek lake, victor, sully, kellogg, gilman, holiday lake, lynnville, malcom, deep river, barnes city, oakland acres, reasnor, searsboro, hartwick and guernsey. This includes interstate 80 between mile markers 165 and 204.
6/6/2018 6:18 PM CDT Straight line winds with damage to utility poles. several power lines down including several high voltage lines. debris throughout city blocking street in poweshiek county IA, 0.9 miles SSW of Grinnell, IA
6/6/2018 6:08 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/6/2018 6:12 PM CDT At 608 pm cdt, a severe thunderstorm was located near grinnell, moving south at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/20/2017 11:29 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 7/20/2017 11:32 PM CDT At 1127 pm cdt, severe thunderstorms were located along a line extending from 6 miles northwest of brooklyn to near montezuma, moving east at 40 mph (measured wind gust of 58 mph in grinnell at 1120 pm cdt). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/29/2017 5:05 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/29/2017 10:10 PM CDT At 1004 pm cdt, severe thunderstorms were located along a line extending from near tama to near newton, moving southeast at 45 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. locations impacted include, grinnell, toledo, tama, meskwaki casino, rock creek lake, kellogg, gilman, holiday lake, chelsea, montour, laurel, oakland acres, vining, grinnell regional airport, toledo municipal airport and rock creek state park. This includes interstate 80 between mile markers 170 and 184.
6/29/2017 4:42 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/29/2017 9:47 PM CDT At 941 pm cdt, severe thunderstorms were located along a line extending from 8 miles northwest of meskwaki casino to near baxter, moving southeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/16/2017 10:55 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 2/18/2022 3:09 PM CDT The severe thunderstorm warning for northwestern poweshiek, southeastern marshall, southwestern tama and northeastern jasper counties will expire at 1100 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 400 am cdt for central iowa.
6/16/2017 10:43 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/16/2017 10:47 PM CDT At 1043 pm cdt, a severe thunderstorm was located near meskwaki casino, or 8 miles southwest of toledo, moving southeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, marshalltown, toledo, tama, meskwaki casino, le grand, gilman, montour, laurel, ferguson and toledo municipal airport.
6/16/2017 10:26 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/16/2017 10:29 PM CDT At 1025 pm cdt, a severe thunderstorm was located near marshalltown, moving southeast at 40 mph (trained weather spotters). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/16/2017 12:27 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 2/18/2022 3:15 PM CDT The severe thunderstorm warning for poweshiek county will expire at 1230 am cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore the warning will be allowed to expire. however gusty winds are still possible with this thunderstorm. a severe thunderstorm watch remains in effect until 100 am cdt for central iowa. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service des moines.
6/16/2017 12:14 AM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/16/2017 12:17 AM CDT At 1214 am cdt, a severe thunderstorm was located 7 miles southwest of brooklyn, or 7 miles north of montezuma, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, montezuma, brooklyn, victor, holiday lake, malcom, deep river, searsboro, hartwick, guernsey and grinnell regional airport. This includes interstate 80 between mile markers 180 and 204.
6/16/2017 12:07 AM CDT From the awos at the grinnell regional airpor in poweshiek county IA, 1.3 miles NNE of Grinnell, IA
6/15/2017 11:54 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 6/15/2017 11:59 PM CDT At 1154 pm cdt, a severe thunderstorm was located near rock creek lake, or near grinnell, moving east at 40 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.
5/17/2017 5:26 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/17/2017 5:29 PM CDT The severe thunderstorm warning for poweshiek, monroe, wapello, eastern marion, mahaska, northern appanoose and eastern jasper counties will expire at 530 pm cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. additional storms are possible through 7 pm. a tornado watch remains in effect until 700 pm cdt for south central, central and southeastern iowa.
5/17/2017 5:25 PM CDT Storm damage reported in poweshiek county IA, 1.5 miles NNE of Grinnell, IA
5/17/2017 5:01 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/17/2017 5:12 PM CDT At 500 pm cdt, severe thunderstorms were located along a line extending from near newton to new sharon to near hedrick, moving northeast at 55 mph (trained weather spotters. at 451 pm...65 mph winds were reported by a department of transportation weather station). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, ottumwa, newton, oskaloosa, pella, grinnell, knoxville, albia, montezuma, monroe, brooklyn, new sharon, eddyville, ottumwa industrial airport, iowa speedway, knoxville raceway, rock creek lake, lake red rock, sully, fremont and moravia. this includes interstate 80 between mile markers 165 and 200. A tornado watch remains in effect until 700 pm cdt for south central, central and southeastern iowa.
5/17/2017 4:43 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/17/2017 5:11 PM CDT At 442 pm cdt, severe thunderstorms were located along a line extending from 6 miles north of monroe to 8 miles southeast of pella to near ottumwa, moving northeast at 65 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, ottumwa, newton, oskaloosa, pella, grinnell, knoxville, albia, montezuma, monroe, brooklyn, new sharon, eddyville, ottumwa industrial airport, iowa speedway, knoxville raceway, rock creek lake, lake red rock, sully, fremont and moravia. this includes interstate 80 between mile markers 165 and 200. A tornado watch remains in effect until 700 pm cdt for south central, central and southeastern iowa.
5/17/2017 4:27 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 5/17/2017 5:08 PM CDT At 427 pm cdt, severe thunderstorms were located along a line extending from near carlisle to near knoxville to near lake sundown, moving northeast at 65 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
4/15/2017 7:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/15/2017 7:45 PM CDT At 741 pm cdt, a severe thunderstorm was located near grinnell, moving northeast at 45 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, grinnell, brooklyn, victor, holiday lake, malcom, chelsea, searsboro, hartwick and grinnell regional airport. This includes interstate 80 between mile markers 181 and 204.
4/15/2017 7:36 PM CDT Quarter sized hail reported 2.7 miles NNE of Grinnell, IA, trained spotter reported up to quarter sized hail.
4/15/2017 7:26 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 4/15/2017 7:29 PM CDT At 725 pm cdt, a severe thunderstorm was located 8 miles southeast of iowa speedway, or 10 miles southeast of newton, moving northeast at 40 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
3/6/2017 8:15 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/6/2017 8:18 PM CST At 814 pm cst, severe thunderstorms were located along a line extending from la porte city to 6 miles west of montezuma, moving east at 45 mph (emergency management. these storms have a history of producing strong winds in excess of 60 mph). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. locations impacted include, grinnell, toledo, montezuma, tama, traer, brooklyn, dysart, meskwaki casino, victor, sully, holiday lake, lynnville, malcom, deep river, chelsea, clutier, elberon, barnes city, oakland acres and searsboro. this includes interstate 80 between mile markers 177 and 204. A tornado watch remains in effect until 1000 pm cst for central and northeastern iowa.
3/6/2017 8:00 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/6/2017 8:03 PM CST At 759 pm cst, a severe thunderstorm capable of producing a tornado was located 9 miles south of grinnell, moving northeast at 70 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, grinnell around 810 pm cst. other locations impacted by this tornadic thunderstorm include searsboro, lynnville, grinnell regional airport and sully. This includes interstate 80 between mile markers 178 and 187.
3/6/2017 7:43 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/6/2017 7:47 PM CST At 743 pm cst, a severe thunderstorm capable of producing a tornado was located near iowa speedway, or 7 miles south of newton, moving northeast at 60 mph (radar indicated rotation). Hazards include tornado and quarter size hail. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows, and vehicles will occur. tree damage is likely. this dangerous storm will be near, rock creek lake around 800 pm cst. grinnell around 805 pm cst. other locations impacted by this tornadic thunderstorm include searsboro, lynnville, kellogg, grinnell regional airport, reasnor, oakland acres, sully, rock creek state park and newton municipal airport. This includes interstate 80 between mile markers 168 and 188.
3/6/2017 7:40 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 3/6/2017 7:44 PM CST At 740 pm cst, severe thunderstorms were located along a line extending from near reinbeck to monroe, moving east at 45 mph (emergency management. 65 mph winds have been reported with these storms in state center). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
8/4/2016 8:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 2/10/2022 12:08 AM CDT The severe thunderstorm warning for poweshiek and southeastern jasper counties will expire at 845 pm cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore the warning will be allowed to expire. however heavy rain is still possible with these thunderstorms. a severe thunderstorm watch remains in effect until midnight cdt for central iowa.
8/4/2016 8:19 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/4/2016 8:23 PM CDT At 819 pm cdt, severe thunderstorms were located along a line extending from near norway to near montezuma, moving east at 30 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. and trees. Locations impacted include, grinnell, montezuma, brooklyn, victor, sully, lynnville, malcom, deep river, barnes city, searsboro, hartwick, guernsey and grinnell regional airport.
8/4/2016 7:43 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/4/2016 7:46 PM CDT At 742 pm cdt, severe thunderstorms were located along a line extending from near van horne to 8 miles northwest of brooklyn to iowa speedway, moving southeast at 30 mph (trained weather spotters). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, newton, grinnell, toledo, tama, traer, meskwaki casino, iowa speedway, rock creek lake, le grand, kellogg, gilman, chelsea, montour, laurel, clutier, elberon, lambs grove, oakland acres, reasnor and vining.
8/4/2016 7:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/4/2016 7:44 PM CDT At 741 pm cdt, severe thunderstorms were located along a line extending from near keystone to near grinnell, moving southeast at 30 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.
8/4/2016 7:41 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 2/10/2022 12:07 AM CDT At 741 pm cdt, severe thunderstorms were located along a line extending from near keystone to near grinnell, moving southeast at 30 mph (trained weather spotters). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.
8/4/2016 7:23 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/4/2016 7:26 PM CDT At 722 pm cdt, severe thunderstorms were located along a line extending from near dysart to 7 miles south of meskwaki casino to near baxter, moving southeast at 40 mph (trained weather spotters). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include, marshalltown, newton, grinnell, toledo, tama, traer, baxter, meskwaki casino, iowa speedway, rock creek lake, gladbrook, le grand, melbourne, kellogg, garwin, gilman, mingo, chelsea, montour and laurel.
8/4/2016 6:52 PM CDT Radar Image for Severe Thunderstorms near Grinnell, IA at 8/4/2016 6:57 PM CDT At 652 pm cdt, severe thunderstorms were located along a line extending from near conrad to 10 miles west of baxter, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.
11/11/2015 4:03 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 11/11/2015 4:07 PM CST At 403 pm cst, severe thunderstorms were located along a line extending from near state center to 7 miles southeast of iowa speedway to 3 miles east of pella, moving northeast at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. Siding and trees.
11/11/2015 3:56 PM CST Radar Image for Severe Thunderstorms near Grinnell, IA at 11/11/2015 4:00 PM CST At 356 pm cst, a severe thunderstorm capable of producing a tornado was located near pella, moving northeast at 40 mph (radar indicated rotation). Hazards include tornado. Flying debris will be dangerous to those caught without shelter. mobile homes will be damaged or destroyed. damage to roofs, windows and vehicles will occur. tree damage is likely. this dangerous storm will be near, grinnell around 435 pm cst. other locations impacted by this tornadic thunderstorm include pella municipal airport, sully, lynnville, searsboro and oakland acres. This includes interstate 80 between mile markers 174 and 184.
7/6/2014 9:19 PM CDT Quarter sized hail reported 1.2 miles SE of Grinnell, IA, trained spotter reported 1 inch diameter hail 1 w grinnell. delayed report
4/27/2014 3:37 PM CDT Delayed report of a large tree split in half by straight line winds. relayed by kcci. time estimated from rada in poweshiek county IA, 0.9 miles SSW of Grinnell, IA
4/12/2014 11:18 PM CDT Quarter sized hail reported 1.9 miles N of Grinnell, IA, quarter sized hail reported at i-80 exit number 282.
6/29/2012 4:47 PM CDT 3 to 4 large tree limbs...generally 3 to 5 inches in diameter down. one branch was 20 foot lon in poweshiek county IA, 1.7 miles SSW of Grinnell, IA
6/29/2012 4:39 PM CDT Storm damage reported in poweshiek county IA, 1.7 miles SSW of Grinnell, IA
6/29/2012 4:35 PM CDT Measured by an iowa dot rwis site on interstate 80. reports of a semi jack knifed in the area as wel in poweshiek county IA, 1.9 miles N of Grinnell, IA
6/29/2012 4:33 PM CDT Several large road signs and large tree limbs down near interstate 80 south of grinnell. quarter size hail reported as wel in poweshiek county IA, 1.9 miles N of Grinnell, IA
1/1/0001 12:00 AM Storm damage reported in poweshiek county IA, 0.9 miles SSW of Grinnell, IA
1/1/0001 12:00 AM Trees down...transformers down...power outages...high winds reported...no estimate of spee in poweshiek county IA, 0.9 miles SSW of Grinnell, IA