Hail Map for Janesville, IA

The Janesville, IA area has had 4 reports of on-the-ground hail by trained spotters, and has been under severe weather warnings 4 times during the past 12 months. Doppler radar has detected hail at or near Janesville, IA on 32 occasions, including 4 occasions during the past year.

Name: Janesville, IA
Where Located: 51 miles SE of Mason City, IA
Map: Google Map for Janesville, IA
Population: 930
Housing Units: 409
More Info: Search Google for Janesville, IA
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Hail and Wind Damage Spotted near Janesville, IA

Date / Time Report Details
6/9/2018 9:09 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/9/2018 9:13 PM CDT A severe thunderstorm warning remains in effect until 945 pm cdt for black hawk county. at 908 pm cdt, severe thunderstorms were located along a line extending from near fairbank to near elk run heights to near hudson, moving east at 45 mph. hazard. 60 mph wind gusts and quarter size hail.
6/9/2018 8:51 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/9/2018 8:57 PM CDT At 851 pm cdt, severe thunderstorms were located along a line extending from near denver to waterloo to near dike, moving southeast 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.
6/9/2018 6:44 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/9/2018 6:48 PM CDT At 644 pm cdt, severe thunderstorms were located along a line extending from near sumner to near tripoli to near waverly, 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. locations impacted include, waverly, sumner, denver, tripoli, janesville, readlyn and waverly municipal airport. A tornado watch remains in effect until 1000 pm cdt for northeastern iowa.
6/9/2018 6:09 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/9/2018 6:14 PM CDT At 608 pm cdt, a severe thunderstorm was located near nashua, or 11 miles northwest of waverly, 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.
7/12/2017 5:25 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 7/12/2017 5:28 PM CDT At 524 pm cdt, a severe thunderstorm was located over denver, or 7 miles southeast of waverly, moving northeast at 30 mph (radar indicated. at 5:17 pm quarter hail was reported near janesville). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/29/2017 4:47 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/29/2017 9:50 PM CDT At 947 pm cdt, severe thunderstorms were located along a line extending from near waterloo municipal airport to 7 miles east of reinbeck, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/15/2017 8:09 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/15/2017 8:12 PM CDT At 808 pm cdt, a severe thunderstorm was located over denver, or near waverly, moving east at 35 mph (trained weather spotters. at 7:58pm, trained weather spotters reported half dollar sized hail near janesville). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. Locations impacted include, waterloo, waverly, denver, waterloo municipal airport, janesville, dunkerton, readlyn and waverly municipal airport.
6/15/2017 8:01 PM CDT Half Dollar sized hail reported 2.5 miles NW of Janesville, IA, niekels to half dollar.
6/15/2017 7:58 PM CDT Half Dollar sized hail reported 2.3 miles W of Janesville, IA, pea to half dollar hail.
6/15/2017 7:52 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/15/2017 7:56 PM CDT At 751 pm cdt, a severe thunderstorm was located over shell rock, or near waverly, moving east at 35 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/15/2017 7:50 PM CDT Ping Pong Ball sized hail reported 0.8 miles WSW of Janesville, IA
6/15/2017 7:32 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/15/2017 7:35 PM CDT At 732 pm cdt, a severe thunderstorm was located over allison, moving east at 25 mph (radar indicated). Hazards include golf 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, waverly, allison, clarksville, shell rock, janesville, plainfield, bristow, allison municipal airport and waverly municipal airport.
6/15/2017 7:16 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/15/2017 7:21 PM CDT At 716 pm cdt, a severe thunderstorm was located near allison, moving east at 25 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 6:05 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/17/2017 6:11 PM CDT At 604 pm cdt, severe thunderstorms were located along a line extending from near marble rock to 6 miles west of tripoli to jesup, moving north at 55 mph (trained weather spotters. at 553 pm...70 mph winds were reported at the waterloo airport. numerous trees were reported down in town). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, denver, clarksville, tripoli, shell rock, greene, elk run heights, crossroads mall, waterloo municipal airport, uni-dome and mcleod center, janesville and washburn. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.
5/17/2017 5:47 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/17/2017 5:51 PM CDT At 545 pm cdt, severe thunderstorms were located along a line extending from 7 miles northeast of hampton to near shell rock to 7 miles west of la porte city, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds have been reported over northeast iowa. doppler radar indicates that the strongest winds are now moving into the southern sections of the waterloo area). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, waterloo, cedar falls, waverly, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, clarksville, tripoli, shell rock, greene, aplington, elk run heights, crossroads mall, waterloo municipal airport and uni-dome and mcleod center. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 700 pm cdt for central, north central and northeastern iowa.
5/17/2017 5:32 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/17/2017 5:39 PM CDT At 531 pm cdt, severe thunderstorms were located along a line extending from 6 miles north of iowa falls to 6 miles west of dike to near traer, moving northeast at 70 mph (trained weather spotters. numerous reports of 60 to 70 mph winds with tree damage across central and northeastern iowa). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
5/15/2017 7:26 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/15/2017 7:30 PM CDT At 725 pm cdt, a severe thunderstorm was located over waverly, moving east at 45 mph (trained weather spotters have reported a history of quarter sized hail or larger and 60 mph winds). 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, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.
5/15/2017 7:14 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/15/2017 7:18 PM CDT At 713 pm cdt, a severe thunderstorm was located over clarksville, or near allison, moving east at 45 mph (trained weather spotters have reported 60 mph winds and quarter sized hail or larger with these storms). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
5/15/2017 6:50 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/15/2017 6:55 PM CDT At 649 pm cdt, a severe thunderstorm was located over tripoli, or 9 miles northeast of waverly, moving southeast at 35 mph (trained weather spotters have reported a history of 60 mph winds with these storms ). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, waverly, sumner, denver, clarksville, tripoli, shell rock, janesville, readlyn, plainfield, frederika and waverly municipal airport.
5/15/2017 6:31 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 5/15/2017 6:36 PM CDT At 631 pm cdt, a severe thunderstorm was located 8 miles southeast of nashua, or 8 miles north of waverly, moving southeast at 35 mph (trained weather spotters reported gusts to around 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.
3/23/2017 3:26 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 3/23/2017 3:29 PM CDT The severe thunderstorm warning for northwestern black hawk, southwestern bremer and southeastern butler counties will expire at 330 pm cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire. remember, a severe thunderstorm warning still remains in effect for most of southern bremer county and the far northern portion of black hawk county east of waverly and east of janesville until 4 pm cdt this afternoon.
3/23/2017 3:18 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 3/23/2017 3:23 PM CDT At 318 pm cdt, a severe thunderstorm was located near waverly, moving east at 50 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
3/23/2017 3:05 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 3/23/2017 3:08 PM CDT At 303 pm cdt, a severe thunderstorm was located near shell rock, or 8 miles southeast of allison, moving east at 55 mph (trained spotters reported quarter sized hail just north of kesley at 2:55 pm cdt). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, waverly, allison, clarksville, shell rock, janesville and waverly municipal airport.
3/23/2017 2:51 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 3/23/2017 2:54 PM CDT At 251 pm cdt, a severe thunderstorm was located near aplington, or 7 miles southwest of allison, moving east at 55 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
3/6/2017 8:21 PM CST Radar Image for Severe Thunderstorms near Janesville, IA at 3/6/2017 8:25 PM CST The severe thunderstorm warning for black hawk, bremer, northeastern grundy and southeastern butler counties will expire at 830 pm cst, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a tornado watch remains in effect until 1000 pm cst for central, north central and northeastern iowa.
3/6/2017 8:03 PM CST Radar Image for Severe Thunderstorms near Janesville, IA at 3/6/2017 8:06 PM CST At 803 pm cst, severe thunderstorms were located along a line extending from near sumner to 6 miles northeast of traer, moving east at 50 mph (trained weather spotters. these storms have a history of producing thunderstorm wind damage). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs, siding, and trees. locations impacted include, waterloo, cedar falls, waverly, evansdale, jesup, la porte city, hudson, sumner, denver, reinbeck, tripoli, dike, elk run heights, crossroads mall, waterloo municipal airport, uni-dome and mcleod center, janesville, washburn, dunkerton and readlyn. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 1000 pm cst for central, north central and northeastern iowa.
3/6/2017 7:32 PM CST Radar Image for Severe Thunderstorms near Janesville, IA at 3/6/2017 7:35 PM CST At 732 pm cst, severe thunderstorms were located along a line extending from near shell rock to near conrad, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. expect damage to roofs, siding, and trees
8/4/2016 6:39 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 8/4/2016 6:45 PM CDT The severe thunderstorm warning for northern black hawk and bremer counties will expire at 645 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. however heavy rain is still possible with this thunderstorm. a severe thunderstorm watch remains in effect until midnight cdt for northeastern iowa.
8/4/2016 6:24 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 8/4/2016 6:29 PM CDT At 624 pm cdt, a severe thunderstorm was located near tripoli, or 12 miles east of waverly, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. and trees. Locations impacted include, waterloo, cedar falls, waverly, sumner, denver, tripoli, waterloo municipal airport, janesville, dunkerton and readlyn.
8/4/2016 5:58 PM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 8/4/2016 6:02 PM CDT At 558 pm cdt, a severe thunderstorm was located near waverly, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.
6/11/2016 3:12 AM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/11/2016 3:15 AM CDT At 311 am cdt, a severe thunderstorm was located near waverly, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts and nickel size hail. Expect damage to roofs. siding. and trees. Locations impacted include, waverly, denver, clarksville, shell rock, janesville, plainfield and waverly municipal airport.
6/11/2016 2:47 AM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/11/2016 2:52 AM CDT At 245 am cdt, a severe thunderstorm was located 4 miles southwest of nashua, or 11 miles south of charles city, moving southeast 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.
11/11/2015 5:26 PM CST The severe thunderstorm warning for black hawk county will expire at 530 pm cst, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a tornado watch remains in effect until 600 pm cst for northeastern iowa.
11/11/2015 5:10 PM CST Radar Image for Severe Thunderstorms near Janesville, IA at 11/11/2015 5:13 PM CST At 510 pm cst, severe thunderstorms were located along a line extending from 4 miles northwest of waterloo municipal airport to 4 miles west of jesup to near brandon, moving northeast at 60 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. locations impacted include, waterloo, cedar falls, evansdale, jesup, la porte city, hudson, elk run heights, waterloo municipal airport, crossroads mall, uni-dome and mcleod center, janesville, washburn, dunkerton, raymond, gilbertville and george wyth state park. this includes interstate 380 between mile markers 56 and 73. A tornado watch remains in effect until 600 pm cst for northeastern iowa.
11/11/2015 4:39 PM CST Radar Image for Severe Thunderstorms near Janesville, IA at 11/11/2015 4:42 PM CST At 439 pm cst, severe thunderstorms were located along a line extending from 4 miles northeast of conrad to 3 miles southwest of traer to 6 miles west of keystone, moving northeast at 60 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. Siding and trees.
6/22/2015 8:17 AM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/22/2015 8:20 AM CDT At 815 am cdt, severe thunderstorms were located along a line extending from near sumner to near waterloo to 8 miles southwest of eldora, moving east at 75 mph (radar indicated. at 809 am the waterloo airport reported 59 mph). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. locations impacted include, waterloo, cedar falls, waverly, iowa falls, eldora, grundy center, allison, evansdale, jesup, la porte city, hudson, sumner, parkersburg, denver, reinbeck, ackley, clarksville, tripoli, shell rock and dike. This includes interstate 380 between mile markers 57 and 73.
6/22/2015 8:01 AM CDT Via social media...picture of tree on home...time radar estimated in black hawk county IA, 0.4 miles NNW of Janesville, IA
6/22/2015 8:00 AM CDT Tree uprooted and on house in town. many large limbs down throughout the county. time estimated from rada in bremer county IA, 0.4 miles NNW of Janesville, IA
6/22/2015 7:54 AM CDT Radar Image for Severe Thunderstorms near Janesville, IA at 6/22/2015 7:57 AM CDT At 753 am cdt, severe thunderstorms were located along a line extending from 5 miles southwest of nashua to 3 miles south of aplington to 4 miles southwest of jewell junction, moving east at 75 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs. Siding and trees.
5/4/2015 12:01 AM CDT At 1200 am cdt, a severe thunderstorm was located 7 miles south of shell rock, or 8 miles northwest of cedar falls, moving east at 35 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, waterloo, cedar falls, waverly, denver, waterloo municipal airport, uni-dome and mcleod center, janesville, new hartford and george wyth state park. 1. 00in.
5/3/2015 11:47 PM CDT At 1147 pm cdt, a severe thunderstorm was located near parkersburg, or 11 miles south of allison, moving east 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.
6/12/2013 5:48 PM CDT Quarter sized hail reported 0.4 miles NNW of Janesville, IA, reported by kwwl-tv7.