Immediate

Responsive action SHOULD be taken immediately

Ohio Severe Severe Thunderstorm Warning | Effective 08/11/2026 07:13

At 1013 AM EDT, a severe thunderstorm was located near Groveport, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Columbus, Dublin, Westerville, Reynoldsburg, Grove City, Upper Arlington, Gahanna, Hilliard, Worthington, Bexley, Pataskala, Powell, Canal Winchester, Groveport, Ashville, South Bloomfield, Minerva Park, Polaris, Ohio State University, and Lake Darby. This includes the following Interstates...

Ohio Severe Flash Flood Warning | Effective 08/11/2026 06:46

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... Northwestern Morgan County in southeastern Ohio... Central Perry County in southeastern Ohio... * Until 230 PM EDT. * At 946 AM EDT, Doppler radar indicated thunderstorms producing heavy rain in the warned area. Rainfall amounts of 1.5 to 2 inches are possible in the warned area. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Between 4 and 6 inches of rain fell from overnight

Ohio Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:47

SVRILN The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Franklin County in central Ohio... Northern Pickaway County in central Ohio... Southern Delaware County in central Ohio... * Until 1030 AM EDT. * At 947 AM EDT, a severe thunderstorm was located near West Jefferson, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include...

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:47

SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southern Lafayette County in south central Wisconsin... Southern Green County in south central Wisconsin... * Until 1000 AM CDT. * At 847 AM CDT, severe thunderstorms were located along a line extending from near Benton to Pearl City, moving east at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.

Illinois, Iowa Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:49

At 849 AM CDT, severe thunderstorms were located along a line extending from Camanche to near Port Byron to Campbells Island, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. This line of storms has a history of producing wind damage across portions of eastern Iowa. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Davenport, Bettendorf, Clinton, Eldridge, DeWitt, Camanche, Le

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:49

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Central Stutsman County in southeastern North Dakota... * Until 945 AM CDT. * At 849 AM CDT, a severe thunderstorm was located 9 miles north of Cleveland, or 21 miles northwest of Jamestown, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include...

Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:52

SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northeastern Jasper County in northwestern Indiana... * Until 930 AM CDT. * At 852 AM CDT, a severe thunderstorm was located near Medaryville, or 7 miles south of Wheatfield, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Wheatfield and Baileys Corner.

Ohio Severe Flash Flood Warning | Effective 08/11/2026 06:53

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... North Central Athens County in southeastern Ohio... Morgan County in southeastern Ohio... Southern Perry County in southeastern Ohio... Northwestern Washington County in southeastern Ohio... * Until 330 PM EDT. * At 953 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 3 and 5 inches of rain have fallen. Additional rainfall amounts of

Illinois, Iowa Severe Severe Thunderstorm Warning | Effective 08/11/2026 06:54

SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southeastern Rock Island County in northwestern Illinois... Northern Henry County in northwestern Illinois... Bureau County in north central Illinois... Southeastern Scott County in east central Iowa... * Until 1015 AM CDT. * At 854 AM CDT, severe thunderstorms were located along a line extending from Newton Corners to near Hillsdale to near Green River, moving east at 50 mph. HAZARD...60 mph wind gusts.
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