Hail Map for Rock Valley, IA

The Rock Valley, IA area has had 5 reports of on-the-ground hail by trained spotters, and has been under severe weather warnings 24 times during the past 12 months. Doppler radar has detected hail at or near Rock Valley, IA on 33 occasions, including 2 occasions during the past year.

Name: Rock Valley, IA
Where Located: 32.4 miles SE of Sioux Falls, SD
Map: Google Map for Rock Valley, IA
Population: 3354
Housing Units: 1356
More Info: Search Google for Rock Valley, IA

Hail and Wind Damage Spotted near Rock Valley, IA

Date / Time Report Details
8/5/2018 3:22 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 3:26 AM CDT The severe thunderstorm warning for lyon, northeastern sioux and southeastern lincoln counties will expire at 330 am cdt, the storms which prompted the warning have moved out of the area. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 700 am cdt for northwestern iowa, and southwestern minnesota.
8/5/2018 3:22 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 3:26 AM CDT The severe thunderstorm warning for lyon, northeastern sioux and southeastern lincoln counties will expire at 330 am cdt, the storms which prompted the warning have moved out of the area. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 700 am cdt for northwestern iowa, and southwestern minnesota.
8/5/2018 3:00 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 3:04 AM CDT At 258 am cdt, severe thunderstorms were located along a line extending from near george to near orange city, moving east at 50 mph. these are very dangerous storms (radar indicated). Hazards include 90 mph wind gusts and half dollar 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. these severe storms will be near, little rock and boyden around 305 am cdt. orange city around 305 am cdt. Granville around 315 am cdt.
8/5/2018 3:00 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 3:04 AM CDT At 258 am cdt, severe thunderstorms were located along a line extending from near george to near orange city, moving east at 50 mph. these are very dangerous storms (radar indicated). Hazards include 90 mph wind gusts and half dollar 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. these severe storms will be near, little rock and boyden around 305 am cdt. orange city around 305 am cdt. Granville around 315 am cdt.
8/5/2018 2:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:44 AM CDT At 240 am cdt, severe thunderstorms were located along a line extending from near rock rapids to near hudson, moving southeast at 25 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. severe thunderstorms will be near, rock rapids around 245 am cdt. george around 300 am cdt. boyden and matlock around 315 am cdt. Orange city and sheldon around 330 am cdt.
8/5/2018 2:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:44 AM CDT The national weather service in sioux falls has issued a * severe thunderstorm warning for. lyon county in northwestern iowa. northeastern sioux county in northwestern iowa. southeastern lincoln county in southeastern south dakota. Until 330 am cdt.
8/5/2018 2:28 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:31 AM CDT At 228 am cdt, severe thunderstorms were located along a line extending from near hills to near alvord to inwood to 7 miles south of worthing, moving southeast at 20 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny 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. these severe storms will be near, inwood, alvord and fairview around 235 am cdt. rock rapids, rock valley, doon, hudson and newton hills state park around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 2:28 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:31 AM CDT At 228 am cdt, severe thunderstorms were located along a line extending from near hills to near alvord to inwood to 7 miles south of worthing, moving southeast at 20 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny 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. these severe storms will be near, inwood, alvord and fairview around 235 am cdt. rock rapids, rock valley, doon, hudson and newton hills state park around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 2:28 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:31 AM CDT At 228 am cdt, severe thunderstorms were located along a line extending from near hills to near alvord to inwood to 7 miles south of worthing, moving southeast at 20 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny 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. these severe storms will be near, inwood, alvord and fairview around 235 am cdt. rock rapids, rock valley, doon, hudson and newton hills state park around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 2:14 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:18 AM CDT At 213 am cdt, severe thunderstorms were located along a line extending from near beaver creek to near larchwood to near canton to near worthing, moving southeast at 35 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny 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. these severe storms will be near, luverne, inwood, lester and fairview around 220 am cdt. alvord around 225 am cdt. rock rapids, rock valley and doon around 235 am cdt. hudson around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 2:14 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:19 AM CDT At 213 am cdt, severe thunderstorms were located along a line extending from near beaver creek to near larchwood to near canton to near worthing, moving southeast at 35 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts and penny 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. these severe storms will be near, luverne, inwood, lester and fairview around 220 am cdt. alvord around 225 am cdt. rock rapids, rock valley and doon around 235 am cdt. hudson around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 2:14 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:19 AM CDT At 154 am cdt, severe thunderstorms were located along a line extending from palisades state park to near rowena to harrisburg to chancellor, moving southeast at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, harrisburg, worthing and rowena around 200 am cdt. lake alvin state recreation area around 205 am cdt. valley springs around 215 am cdt. larchwood and beaver creek around 220 am cdt. canton around 230 am cdt. hills and newton hills state park around 235 am cdt. inwood around 240 am cdt. rock rapids, doon, hudson, lester, alvord and fairview around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 1:54 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:00 AM CDT At 154 am cdt, severe thunderstorms were located along a line extending from palisades state park to near rowena to harrisburg to chancellor, moving southeast at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, harrisburg, worthing and rowena around 200 am cdt. lake alvin state recreation area around 205 am cdt. valley springs around 215 am cdt. larchwood and beaver creek around 220 am cdt. canton around 230 am cdt. hills and newton hills state park around 235 am cdt. inwood around 240 am cdt. rock rapids, doon, hudson, lester, alvord and fairview around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 1:54 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:01 AM CDT At 154 am cdt, severe thunderstorms were located along a line extending from palisades state park to near rowena to harrisburg to chancellor, moving southeast at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, harrisburg, worthing and rowena around 200 am cdt. lake alvin state recreation area around 205 am cdt. valley springs around 215 am cdt. larchwood and beaver creek around 220 am cdt. canton around 230 am cdt. hills and newton hills state park around 235 am cdt. inwood around 240 am cdt. rock rapids, doon, hudson, lester, alvord and fairview around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/5/2018 1:54 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/5/2018 2:01 AM CDT At 154 am cdt, severe thunderstorms were located along a line extending from palisades state park to near rowena to harrisburg to chancellor, moving southeast at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, harrisburg, worthing and rowena around 200 am cdt. lake alvin state recreation area around 205 am cdt. valley springs around 215 am cdt. larchwood and beaver creek around 220 am cdt. canton around 230 am cdt. hills and newton hills state park around 235 am cdt. inwood around 240 am cdt. rock rapids, doon, hudson, lester, alvord and fairview around 245 am cdt. Other locations impacted by these severe thunderstorms include steen.
8/21/2017 2:55 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/21/2017 2:58 PM CDT The severe thunderstorm warning for southwestern lyon, sioux and plymouth counties will expire at 300 pm cdt, the storms which prompted the warning have weakened. therefore, the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 700 pm cdt for northwestern and west central iowa, and southeastern south dakota.
8/21/2017 2:37 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/21/2017 2:40 PM CDT At 237 pm cdt, severe thunderstorms were located along a line extending from near hull to near hinton, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. these severe storms will be near, orange city and boyden around 250 pm cdt. alton around 255 pm cdt. sheldon, kingsley, hospers and granville around 300 pm cdt. Other locations impacted by these severe thunderstorms include oyens, chatsworth, brunsville and westfield.
8/21/2017 2:11 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/21/2017 2:29 PM CDT At 210 pm cdt, severe thunderstorms were located along a line extending from newton hills state park to near elk point, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, akron around 215 pm cdt. rock valley around 230 pm cdt. hinton and merrill around 235 pm cdt. sioux center and hull around 240 pm cdt. boyden around 245 pm cdt. orange city around 250 pm cdt. kingsley, alton and hospers around 255 pm cdt. granville around 300 pm cdt. Other locations impacted by these severe thunderstorms include oyens, chatsworth, brunsville and westfield.
8/19/2017 10:20 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 10:23 PM CDT At 1012 pm cdt, a severe thunderstorm was located near sioux center, 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. This severe storm will be near, sioux center and hull around 1025 pm cdt.
8/19/2017 10:20 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 10:23 PM CDT At 1012 pm cdt, a severe thunderstorm was located near sioux center, 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. This severe storm will be near, sioux center and hull around 1025 pm cdt.
8/19/2017 10:12 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 10:17 PM CDT At 1012 pm cdt, a severe thunderstorm was located near sioux center, 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. This severe storm will be near, sioux center and hull around 1025 pm cdt.
8/19/2017 10:12 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 10:17 PM CDT At 1012 pm cdt, a severe thunderstorm was located near sioux center, 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. This severe storm will be near, sioux center and hull around 1025 pm cdt.
8/19/2017 9:54 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 9:58 PM CDT At 954 pm cdt, a severe thunderstorm was located over hudson, or near hawarden, 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. This severe thunderstorm will be near, sioux center and maurice around 1025 pm cdt.
8/19/2017 9:54 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/19/2017 9:58 PM CDT At 954 pm cdt, a severe thunderstorm was located over hudson, or near hawarden, 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. This severe thunderstorm will be near, sioux center and maurice around 1025 pm cdt.
6/29/2017 12:16 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/29/2017 5:21 PM CDT At 516 pm cdt, a severe thunderstorm was located near ireton, or near sioux center, moving northeast at 20 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. this severe storm will be near, orange city around 535 pm cdt. sioux center around 540 pm cdt. hull around 545 pm cdt. At 508 pm cdt, half dollar hail was reported in ireton.
6/29/2017 11:54 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/29/2017 4:58 PM CDT At 452 pm cdt, a severe thunderstorm was located over craig, or 8 miles southeast of hawarden, moving north at 30 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. this severe thunderstorm will be near, ireton around 500 pm cdt. maurice around 505 pm cdt. sioux center around 520 pm cdt. Rock valley and hull around 535 pm cdt.
6/13/2017 9:58 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 10:01 PM CDT At 957 pm cdt, severe thunderstorms were located along a line extending from near ghent to near hawarden, moving east at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, minneota and ghent around 1005 pm cdt. marshall around 1015 pm cdt. cottonwood around 1035 pm cdt. other locations impacted by these severe thunderstorms include kenneth, avoca, lynd, garvin, hadley, kinbrae, dundee, steen, iona and magnolia. precautionary/preparedness actions, for your protection move to an interior room on the lowest floor of a building. this is a dangerous situation. these storms are producing widespread wind damage across parts of southwest minnesota. Seek shelter now inside a sturdy structure and stay away from windows! && a tornado watch remains in effect until 200 am cdt for northwestern iowa, and southwestern minnesota.
6/13/2017 9:58 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 10:01 PM CDT At 957 pm cdt, severe thunderstorms were located along a line extending from near ghent to near hawarden, moving east at 20 mph (radar indicated). Hazards include 70 mph wind gusts and penny size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. severe thunderstorms will be near, minneota and ghent around 1005 pm cdt. marshall around 1015 pm cdt. cottonwood around 1035 pm cdt. other locations impacted by these severe thunderstorms include kenneth, avoca, lynd, garvin, hadley, kinbrae, dundee, steen, iona and magnolia. precautionary/preparedness actions, for your protection move to an interior room on the lowest floor of a building. this is a dangerous situation. these storms are producing widespread wind damage across parts of southwest minnesota. Seek shelter now inside a sturdy structure and stay away from windows! && a tornado watch remains in effect until 200 am cdt for northwestern iowa, and southwestern minnesota.
6/13/2017 9:36 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:42 PM CDT At 936 pm cdt, severe thunderstorms were located along a line extending from near sherman to near newton hills state park, moving northeast at 50 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. these severe storms will be near, garretson around 940 pm cdt. rock valley and hardwick around 950 pm cdt. doon and alvord around 955 pm cdt. rock rapids and lester around 1000 pm cdt. other locations impacted by these severe thunderstorms include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:36 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:42 PM CDT At 936 pm cdt, severe thunderstorms were located along a line extending from near sherman to near newton hills state park, moving northeast at 50 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. these severe storms will be near, garretson around 940 pm cdt. rock valley and hardwick around 950 pm cdt. doon and alvord around 955 pm cdt. rock rapids and lester around 1000 pm cdt. other locations impacted by these severe thunderstorms include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:36 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:43 PM CDT At 936 pm cdt, severe thunderstorms were located along a line extending from near sherman to near newton hills state park, moving northeast at 50 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. these severe storms will be near, garretson around 940 pm cdt. rock valley and hardwick around 950 pm cdt. doon and alvord around 955 pm cdt. rock rapids and lester around 1000 pm cdt. other locations impacted by these severe thunderstorms include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:27 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:32 PM CDT At 926 pm cdt, a severe thunderstorm was located near lake alvin state recreation area, or 7 miles north of canton, moving east at 35 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe storm will be near, inwood around 935 pm cdt. larchwood around 940 pm cdt. hills, lester and alvord around 945 pm cdt. rock rapids around 1000 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. at 925 pm cdt, the strongest winds were likely near lake alvin and heading towards hudson and fairview. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:27 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:32 PM CDT At 926 pm cdt, a severe thunderstorm was located near lake alvin state recreation area, or 7 miles north of canton, moving east at 35 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe storm will be near, inwood around 935 pm cdt. larchwood around 940 pm cdt. hills, lester and alvord around 945 pm cdt. rock rapids around 1000 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. at 925 pm cdt, the strongest winds were likely near lake alvin and heading towards hudson and fairview. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:27 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:33 PM CDT At 926 pm cdt, a severe thunderstorm was located near lake alvin state recreation area, or 7 miles north of canton, moving east at 35 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe storm will be near, inwood around 935 pm cdt. larchwood around 940 pm cdt. hills, lester and alvord around 945 pm cdt. rock rapids around 1000 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. at 925 pm cdt, the strongest winds were likely near lake alvin and heading towards hudson and fairview. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:13 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:16 PM CDT At 913 pm cdt, a severe thunderstorm was located near harrisburg, or near sioux falls, moving northeast at 55 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe thunderstorm will be near, rowena around 920 pm cdt. brandon and larchwood around 925 pm cdt. valley springs and hills around 930 pm cdt. beaver creek around 935 pm cdt. luverne and blue mounds state park around 945 pm cdt. hardwick around 950 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:13 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:16 PM CDT At 913 pm cdt, a severe thunderstorm was located near harrisburg, or near sioux falls, moving northeast at 55 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe thunderstorm will be near, rowena around 920 pm cdt. brandon and larchwood around 925 pm cdt. valley springs and hills around 930 pm cdt. beaver creek around 935 pm cdt. luverne and blue mounds state park around 945 pm cdt. hardwick around 950 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/13/2017 9:13 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/13/2017 9:17 PM CDT At 913 pm cdt, a severe thunderstorm was located near harrisburg, or near sioux falls, moving northeast at 55 mph (radar indicated). Hazards include 70 mph wind gusts and nickel size hail. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. this severe thunderstorm will be near, rowena around 920 pm cdt. brandon and larchwood around 925 pm cdt. valley springs and hills around 930 pm cdt. beaver creek around 935 pm cdt. luverne and blue mounds state park around 945 pm cdt. hardwick around 950 pm cdt. other locations impacted by this severe thunderstorm include magnolia, kenneth and steen. A tornado watch remains in effect until 200 am cdt for northwestern iowa, southwestern minnesota, and southeastern south dakota.
6/12/2017 12:36 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/12/2017 12:39 PM CDT At 1236 pm cdt, a severe thunderstorm was located near hudson, or 9 miles northeast of hawarden, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. This severe storm will be near, sioux center around 1250 pm cdt.
6/12/2017 12:08 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/12/2017 12:14 PM CDT At 1208 pm cdt, a severe thunderstorm was located 7 miles west of newton hills state park, or 8 miles north of beresford, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. this severe thunderstorm will be near, newton hills state park around 1220 pm cdt. fairview around 1225 pm cdt. hudson around 1230 pm cdt. rock valley around 1240 pm cdt. Sioux center around 1250 pm cdt.
6/12/2017 12:08 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/12/2017 12:14 PM CDT At 1208 pm cdt, a severe thunderstorm was located 7 miles west of newton hills state park, or 8 miles north of beresford, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. this severe thunderstorm will be near, newton hills state park around 1220 pm cdt. fairview around 1225 pm cdt. hudson around 1230 pm cdt. rock valley around 1240 pm cdt. Sioux center around 1250 pm cdt.
8/11/2016 3:15 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 8/11/2016 3:19 AM CDT At 315 am cdt, severe thunderstorms were located along a line extending from alvord to near rock valley, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. and trees. severe thunderstorms will be near, sioux center, hull and doon around 325 am cdt. george around 335 am cdt. orange city and boyden around 340 am cdt. Sheldon, alton, hospers, granville and matlock around 345 am cdt.
7/17/2016 12:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/17/2016 12:45 AM CDT At 1240 am cdt, a severe thunderstorm was located over inwood, or near canton, 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. this severe thunderstorm will be near, alvord around 1245 am cdt. rock valley and doon around 1250 am cdt. hull around 1255 am cdt. george and boyden around 100 am cdt. Matlock around 105 am cdt.
7/17/2016 12:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/17/2016 12:45 AM CDT At 1240 am cdt, a severe thunderstorm was located over inwood, or near canton, 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. this severe thunderstorm will be near, alvord around 1245 am cdt. rock valley and doon around 1250 am cdt. hull around 1255 am cdt. george and boyden around 100 am cdt. Matlock around 105 am cdt.
6/17/2016 8:44 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:49 PM CDT At 842 pm cdt, severe thunderstorms were located along a line extending from 6 miles south of worthing to near granville, moving south at 20 mph (trained weather spotters. widespread spotter and public reports of 50 mph with occasional gusts to 60 mph). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. and trees. Locations impacted include, spencer in clay county, sioux center, orange city, sheldon, canton, sibley, rock rapids, rock valley, milford, hull, hartley, sanborn, alton, arnolds park, george, paullina, primghar, larchwood, inwood and okoboji.
6/17/2016 8:44 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:50 PM CDT At 842 pm cdt, severe thunderstorms were located along a line extending from 6 miles south of worthing to near granville, moving south at 20 mph (trained weather spotters. widespread spotter and public reports of 50 mph with occasional gusts to 60 mph). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. and trees. Locations impacted include, spencer in clay county, sioux center, orange city, sheldon, canton, sibley, rock rapids, rock valley, milford, hull, hartley, sanborn, alton, arnolds park, george, paullina, primghar, larchwood, inwood and okoboji.
6/17/2016 8:44 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:50 PM CDT At 842 pm cdt, severe thunderstorms were located along a line extending from 6 miles south of worthing to near granville, moving south at 20 mph (trained weather spotters. widespread spotter and public reports of 50 mph with occasional gusts to 60 mph). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. and trees. Locations impacted include, spencer in clay county, sioux center, orange city, sheldon, canton, sibley, rock rapids, rock valley, milford, hull, hartley, sanborn, alton, arnolds park, george, paullina, primghar, larchwood, inwood and okoboji.
6/17/2016 8:40 PM CDT Tree branches down and there was a power outag in sioux county IA, 0.5 miles ENE of Rock Valley, IA
6/17/2016 8:18 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:21 PM CDT At 818 pm cdt, severe thunderstorms were located along a line extending from near worthing to near hospers, moving south at 20 mph (trained weather spotters). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. And trees.
6/17/2016 8:18 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:21 PM CDT At 818 pm cdt, severe thunderstorms were located along a line extending from near worthing to near hospers, moving south at 20 mph (trained weather spotters). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. And trees.
6/17/2016 8:18 PM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/17/2016 8:21 PM CDT At 818 pm cdt, severe thunderstorms were located along a line extending from near worthing to near hospers, moving south at 20 mph (trained weather spotters). Hazards include prolonged 60 mph wind gusts and penny size hail. Expect damage to roofs. siding. And trees.
7/6/2015 1:53 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:56 AM CDT The severe thunderstorm warning for southern lyon, sioux, western plymouth, northern union and southeastern lincoln counties will expire at 200 am cdt, the storms which prompted the warning have weakened below severe limits, and exited the warned area. therefore the warning will be allowed to expire. however gusty winds and heavy rain are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 400 am cdt for northwestern iowa and southeastern south dakota.
7/6/2015 1:53 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:57 AM CDT The severe thunderstorm warning for southern lyon, sioux, western plymouth, northern union and southeastern lincoln counties will expire at 200 am cdt, the storms which prompted the warning have weakened below severe limits, and exited the warned area. therefore the warning will be allowed to expire. however gusty winds and heavy rain are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 400 am cdt for northwestern iowa and southeastern south dakota.
7/6/2015 1:35 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:39 AM CDT At 134 am cdt, severe thunderstorms were located along a line extending from near inwood to near hawarden to elk point, moving east at 45 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. these severe storms will be near, ireton around 140 am cdt. rock valley and alvord around 145 am cdt. sioux center, doon and maurice around 150 am cdt. hull around 155 am cdt. hinton and merrill around 200 am cdt. Other locations impacted by these severe thunderstorms include brunsville, westfield and chatsworth.
7/6/2015 1:35 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:39 AM CDT At 134 am cdt, severe thunderstorms were located along a line extending from near inwood to near hawarden to elk point, moving east at 45 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. these severe storms will be near, ireton around 140 am cdt. rock valley and alvord around 145 am cdt. sioux center, doon and maurice around 150 am cdt. hull around 155 am cdt. hinton and merrill around 200 am cdt. Other locations impacted by these severe thunderstorms include brunsville, westfield and chatsworth.
7/6/2015 1:24 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:29 AM CDT At 122 am cdt, severe thunderstorms were located along a line extending from near canton to near alcester to 6 miles northeast of newcastle, moving east at 50 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. these severe storms will be near, newton hills state park around 125 am cdt. canton, hawarden, hudson and fairview around 130 am cdt. inwood around 135 am cdt. akron, ireton and alvord around 140 am cdt. sioux center, doon and maurice around 145 am cdt. The area of strongest winds will likely impact areas from east of beresford, through hudson, toward sioux center and orange city.
7/6/2015 1:24 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:29 AM CDT At 122 am cdt, severe thunderstorms were located along a line extending from near canton to near alcester to 6 miles northeast of newcastle, moving east at 50 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. these severe storms will be near, newton hills state park around 125 am cdt. canton, hawarden, hudson and fairview around 130 am cdt. inwood around 135 am cdt. akron, ireton and alvord around 140 am cdt. sioux center, doon and maurice around 145 am cdt. The area of strongest winds will likely impact areas from east of beresford, through hudson, toward sioux center and orange city.
7/6/2015 1:11 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:14 AM CDT At 111 am cdt, severe thunderstorms were located along a line extending from worthing to vermillion, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. severe thunderstorms will be near, canton and newton hills state park around 125 am cdt. elk point and fairview around 130 am cdt. inwood around 135 am cdt. alvord around 140 am cdt. rock valley and doon around 145 am cdt. sioux center, hull, hinton and merrill around 155 am cdt. Other locations impacted by these severe thunderstorms include brunsville, westfield and chatsworth.
7/6/2015 1:11 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 7/6/2015 1:14 AM CDT At 111 am cdt, severe thunderstorms were located along a line extending from worthing to vermillion, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. severe thunderstorms will be near, canton and newton hills state park around 125 am cdt. elk point and fairview around 130 am cdt. inwood around 135 am cdt. alvord around 140 am cdt. rock valley and doon around 145 am cdt. sioux center, hull, hinton and merrill around 155 am cdt. Other locations impacted by these severe thunderstorms include brunsville, westfield and chatsworth.
6/22/2015 5:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:44 AM CDT The severe thunderstorm warning for lyon, northern sioux, osceola, northwestern o`brien, nobles, rock, southeastern minnehaha and central lincoln counties will expire at 545 am cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 1000 am cdt for northwestern iowa, southwestern minnesota and southeastern south dakota.
6/22/2015 5:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:44 AM CDT The severe thunderstorm warning for lyon, northern sioux, osceola, northwestern o`brien, nobles, rock, southeastern minnehaha and central lincoln counties will expire at 545 am cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 1000 am cdt for northwestern iowa, southwestern minnesota and southeastern south dakota.
6/22/2015 5:41 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:44 AM CDT The severe thunderstorm warning for lyon, northern sioux, osceola, northwestern o`brien, nobles, rock, southeastern minnehaha and central lincoln counties will expire at 545 am cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 1000 am cdt for northwestern iowa, southwestern minnesota and southeastern south dakota.
6/22/2015 5:37 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:40 AM CDT At 537 am cdt, severe thunderstorms were located along a line extending from 6 miles north of jefferson to near boyden, moving east at 75 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. these severe storms will be near, hospers around 540 am cdt. sioux city, hinton, merrill and granville around 545 am cdt. paullina, primghar and archer around 550 am cdt. Other locations impacted by these severe thunderstorms include brunsville, oyens, westfield and chatsworth.
6/22/2015 5:37 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:40 AM CDT At 537 am cdt, severe thunderstorms were located along a line extending from 6 miles north of jefferson to near boyden, moving east at 75 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. these severe storms will be near, hospers around 540 am cdt. sioux city, hinton, merrill and granville around 545 am cdt. paullina, primghar and archer around 550 am cdt. Other locations impacted by these severe thunderstorms include brunsville, oyens, westfield and chatsworth.
6/22/2015 5:33 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:36 AM CDT At 532 am cdt, severe thunderstorms were located along a line extending from 6 miles northeast of rushmore to near sibley to near matlock, 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. these severe storms will be near, worthington around 540 am cdt. ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:33 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:37 AM CDT At 532 am cdt, severe thunderstorms were located along a line extending from 6 miles northeast of rushmore to near sibley to near matlock, 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. these severe storms will be near, worthington around 540 am cdt. ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:33 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:37 AM CDT At 532 am cdt, severe thunderstorms were located along a line extending from 6 miles northeast of rushmore to near sibley to near matlock, 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. these severe storms will be near, worthington around 540 am cdt. ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:20 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:24 AM CDT At 520 am cdt, severe thunderstorms were located along a line extending from near vermillion to near hudson, moving east at 70 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. severe thunderstorms will be near, rock valley around 525 am cdt. sioux center and hull around 530 am cdt. orange city around 535 am cdt. alton and hospers around 540 am cdt. sioux city, hinton, merrill and granville around 545 am cdt. paullina and archer around 550 am cdt. primghar around 555 am cdt. Other locations impacted by these severe thunderstorms include brunsville, oyens, westfield and chatsworth.
6/22/2015 5:20 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:24 AM CDT At 520 am cdt, severe thunderstorms were located along a line extending from near vermillion to near hudson, moving east at 70 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. severe thunderstorms will be near, rock valley around 525 am cdt. sioux center and hull around 530 am cdt. orange city around 535 am cdt. alton and hospers around 540 am cdt. sioux city, hinton, merrill and granville around 545 am cdt. paullina and archer around 550 am cdt. primghar around 555 am cdt. Other locations impacted by these severe thunderstorms include brunsville, oyens, westfield and chatsworth.
6/22/2015 5:15 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:18 AM CDT At 514 am cdt, severe thunderstorms were located along a line extending from near hardwick to 6 miles west of ellsworth to near inwood, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts. 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. these severe storms will be near, ellsworth, leota and lismore around 520 am cdt. adrian, little rock and wilmont around 525 am cdt. george and rushmore around 530 am cdt. matlock around 535 am cdt. worthington, ocheyedan and ashton around 540 am cdt. sibley, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:15 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:18 AM CDT At 514 am cdt, severe thunderstorms were located along a line extending from near hardwick to 6 miles west of ellsworth to near inwood, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts. 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. these severe storms will be near, ellsworth, leota and lismore around 520 am cdt. adrian, little rock and wilmont around 525 am cdt. george and rushmore around 530 am cdt. matlock around 535 am cdt. worthington, ocheyedan and ashton around 540 am cdt. sibley, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:15 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:18 AM CDT At 514 am cdt, severe thunderstorms were located along a line extending from near hardwick to 6 miles west of ellsworth to near inwood, moving east at 70 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts. 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. these severe storms will be near, ellsworth, leota and lismore around 520 am cdt. adrian, little rock and wilmont around 525 am cdt. george and rushmore around 530 am cdt. matlock around 535 am cdt. worthington, ocheyedan and ashton around 540 am cdt. sibley, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:06 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:09 AM CDT At 506 am cdt, severe thunderstorms were located along a line extending from 6 miles west of hardwick to hills to near canton, moving east at 65 mph. these are very dangerous storms (radar indicated). Hazards include 100 mph wind gusts. You are in a life-threatening situation. flying debris may be deadly to those caught without shelter. mobile homes will be destroyed. expect considerable damage to homes and businesses. expect extensive tree damage and power outages. severe thunderstorms will be near, lester and hardwick around 510 am cdt. luverne, rock rapids and blue mounds state park around 515 am cdt. ellsworth and alvord around 520 am cdt. rock valley, adrian, doon and lismore around 525 am cdt. hull, little rock, rushmore and wilmont around 530 am cdt. sibley, george and boyden around 535 am cdt. worthington and matlock around 540 am cdt. sheldon, ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:06 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:09 AM CDT At 506 am cdt, severe thunderstorms were located along a line extending from 6 miles west of hardwick to hills to near canton, moving east at 65 mph. these are very dangerous storms (radar indicated). Hazards include 100 mph wind gusts. You are in a life-threatening situation. flying debris may be deadly to those caught without shelter. mobile homes will be destroyed. expect considerable damage to homes and businesses. expect extensive tree damage and power outages. severe thunderstorms will be near, lester and hardwick around 510 am cdt. luverne, rock rapids and blue mounds state park around 515 am cdt. ellsworth and alvord around 520 am cdt. rock valley, adrian, doon and lismore around 525 am cdt. hull, little rock, rushmore and wilmont around 530 am cdt. sibley, george and boyden around 535 am cdt. worthington and matlock around 540 am cdt. sheldon, ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
6/22/2015 5:06 AM CDT Radar Image for Severe Thunderstorms near Rock Valley, IA at 6/22/2015 5:09 AM CDT At 506 am cdt, severe thunderstorms were located along a line extending from 6 miles west of hardwick to hills to near canton, moving east at 65 mph. these are very dangerous storms (radar indicated). Hazards include 100 mph wind gusts. You are in a life-threatening situation. flying debris may be deadly to those caught without shelter. mobile homes will be destroyed. expect considerable damage to homes and businesses. expect extensive tree damage and power outages. severe thunderstorms will be near, lester and hardwick around 510 am cdt. luverne, rock rapids and blue mounds state park around 515 am cdt. ellsworth and alvord around 520 am cdt. rock valley, adrian, doon and lismore around 525 am cdt. hull, little rock, rushmore and wilmont around 530 am cdt. sibley, george and boyden around 535 am cdt. worthington and matlock around 540 am cdt. sheldon, ocheyedan, brewster and round lake around 545 am cdt. Other locations impacted by these severe thunderstorms include bigelow, magnolia, steen and kenneth.
9/19/2014 9:55 PM CDT Quarter sized hail reported 6.1 miles NE of Rock Valley, IA
6/16/2014 1:30 PM CDT Half Dollar sized hail reported 0.5 miles ENE of Rock Valley, IA
6/16/2014 1:30 PM CDT 8 inch diameter tree branch down in tow in sioux county IA, 0.5 miles ENE of Rock Valley, IA
5/4/2012 9:45 PM CDT Quarter sized hail reported 2.6 miles W of Rock Valley, IA, a few quarter size...most stones were smaller.
5/4/2012 9:36 PM CDT Half Dollar sized hail reported 0.5 miles ENE of Rock Valley, IA
5/1/2012 7:22 PM CDT Ping Pong Ball sized hail reported 11.5 miles ESE of Rock Valley, IA