Immediate

Responsive action SHOULD be taken immediately

Illinois Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:02

At 1002 AM CDT, severe thunderstorms were located along a line extending from near Genoa to near Maple Park to near Sandwich, moving east at 55 mph. This line of storms has a history of producing wind damage. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Aurora, Elgin, Bartlett, Crystal Lake, Carpentersville, St. Charles,

Ohio Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:05

At 1105 AM EDT, a severe thunderstorm was located near Lake Hope State Park, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Logan, Nelsonville, Hocking Hills State Park, Starr, Londonderry, Murray City, Gibisonville, Ilesboro, Haydenville, Lake Logan State Park, South Bloomingville, Richmond Dale, Enterprise, Union Furnace, Scioto Trail State Park, and Carbon Hill.

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

At 1106 AM EDT, severe thunderstorms were located along a line from near Coshocton to 34 miles southwest of South Zanesville, or along a line from near Coshocton to 37 miles southwest of Zanesville, moving east at 50 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Zanesville, Coshocton, New Concord, West Lafayette, South

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

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... Northwestern Perry County in southeastern Ohio... * Until 330 PM EDT. * At 1106 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

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

At 1005 AM CDT, severe thunderstorms were located along a line extending from near Sandwich to near Serena to 7 miles north of Ottawa to near Wenona, moving east at 55 mph. This line of storms has a history of producing wind damage. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Ottawa, Yorkville, Streator, Plano, Sandwich, Marseilles, South

Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:07

At 1007 AM CDT, severe thunderstorms were located along a line extending from near Lakes of the Four Seasons to near Wheatfield, moving east at 25 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... Valparaiso, Chesterton, DeMotte, Hebron, Wheatfield, Kouts, Dunns Bridge, Boone Grove, Malden, and Stoutsburg.

Ohio Severe Flash Flood Warning | Effective 08/11/2026 08:07

FFWPBZ The National Weather Service in Pittsburgh has extended the * Flash Flood Warning for... Coshocton County in east central Ohio... Western Guernsey County in east central Ohio... Muskingum County in east central Ohio... West Central Noble County in east central Ohio... * Until 215 PM EDT. * At 1107 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of rain have fallen. Additional rainfall amounts up to 2 inches are

Ohio, West Virginia Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:08

SVRRLX The National Weather Service in Charleston West Virginia has issued a * Severe Thunderstorm Warning for... Northern Meigs County in southeastern Ohio... Washington County in southeastern Ohio... Central Morgan County in southeastern Ohio... East central Vinton County in southeastern Ohio... Athens County in southeastern Ohio... Northwestern Wood County in northwestern West Virginia... * Until 1215 PM EDT. * At 1108 AM EDT, severe thunderstorms were located along a line

Illinois Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:09

At 1009 AM CDT, a severe thunderstorm was located near Varna, or 9 miles northeast of Lacon, moving east at 40 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Toluca, Wenona, Varna, and Lake Wildwood. This includes Interstate 39 between mile markers 31 and 40. For your protection move to an interior room on the lowest floor of a building.

Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 08:10

At 1009 AM CDT, a severe thunderstorm was located near Knox, moving east at 20 mph. THIS IS A DESTRUCTIVE STORM FOR PORTIONS OF STARKE COUNTY! HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. Baseball sized hail has been confirmed with this storm. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include... Knox, North Judson, Hamlet, Oak Grove, Toto, Ober, Winona, English
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