Immediate

Responsive action SHOULD be taken immediately

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 01:02

SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southwestern Walworth County in southeastern Wisconsin... Southeastern Rock County in south central Wisconsin... * Until 330 AM CDT. * At 302 AM CDT, a severe thunderstorm was located over Clinton, or 10 miles east of Beloit, moving southeast 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.

West Virginia Severe Flash Flood Warning | Effective 08/11/2026 01:08

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... Northeastern Grant County in eastern West Virginia... Southwestern Hampshire County in eastern West Virginia... Northwestern Hardy County in eastern West Virginia... South Central Mineral County in eastern West Virginia... * Until 715 AM EDT. * At 408 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of

Illinois Severe Severe Thunderstorm Warning | Effective 08/11/2026 01:11

SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northwestern McHenry County in northeastern Illinois... Northern Boone County in north central Illinois... * Until 415 AM CDT. * At 310 AM CDT, a severe thunderstorm was located near Clinton, or 10 miles east of Beloit, moving southeast 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.

Ohio, Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/11/2026 01:12

At 412 AM EDT, a severe thunderstorm was located near Conneaut, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Conneaut, North Kingsville, Albion, Kingsville, Pierpont, Conneautville, Cranesville, Springboro, Edgewood, and Kelloggsville. For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm.

Maryland Severe Flash Flood Warning | Effective 08/11/2026 01:12

FFWLWX The National Weather Service in Sterling Virginia has extended the * Flash Flood Warning for... Northern Garrett County in western Maryland... * Until 600 AM EDT. * At 412 AM EDT, Emergency management reports an ongoing water rescue in the vicinity of the Casselman River and Bittinger Road. Several homes have also been reported to have flooded basements between Grantsville and Bittinger. Between 1.5 and 4 inches of rain have fallen. The expected rainfall rate is 0.25 to 0.5 inches

Maryland Severe Flash Flood Warning | Effective 08/11/2026 00:50

FFWLWX The National Weather Service in Sterling Virginia has extended the * Flash Flood Warning for... Northern Garrett County in western Maryland... * Until 445 AM EDT. * At 350 AM EDT, Local law enforcement reports several homes with flooded basements between Grantsville and Bittinger. Between 1.5 and 4 inches of rain have fallen. The expected rainfall rate is 0.25 to 0.5 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported.

Pennsylvania Severe Flash Flood Warning | Effective 08/11/2026 00:57

FFWCTP The National Weather Service in State College has extended the * Flash Flood Warning for... Southwestern Somerset County in south central Pennsylvania... * Until 630 AM EDT. * At 357 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 0.5 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.

West Virginia Severe Flash Flood Warning | Effective 08/11/2026 00:32

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... Northern Pocahontas County in northeastern West Virginia... Central Randolph County in northeastern West Virginia... * Until 630 AM EDT. * At 332 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 00:41

SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southeastern Green County in south central Wisconsin... Southwestern Rock County in south central Wisconsin... * Until 330 AM CDT. * At 241 AM CDT, a severe thunderstorm was located near Durand, or 8 miles southeast of Brodhead, moving east at 15 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.

Ohio, Pennsylvania Severe Severe Thunderstorm Warning | Effective 08/11/2026 00:42

SVRCLE The National Weather Service in Cleveland has issued a * Severe Thunderstorm Warning for... Northern Ashtabula County in northeastern Ohio... Southwestern Erie County in northwestern Pennsylvania... Northwestern Crawford County in northwestern Pennsylvania... * Until 430 AM EDT. * At 342 AM EDT, a severe thunderstorm was located over Ashtabula, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines.
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