Iowa, Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 05:37

Headline: 
Severe Thunderstorm Warning issued August 11 at 7:37AM CDT until August 11 at 8:45AM CDT by NWS La Crosse WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 5:37am
Expires: 
August 11, 2026 - 6:45am
Description: 
SVRARX The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Southeastern Clayton County in northeastern Iowa... Southern Grant County in southwestern Wisconsin... * Until 845 AM CDT. * At 736 AM CDT, severe thunderstorms were located along a line extending from near Elkader to Edgewood, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Colesburg around 745 AM CDT. Guttenberg around 755 AM CDT. Cassville around 800 AM CDT. Lancaster around 820 AM CDT. Dickeyville around 825 AM CDT. Platteville and Cuba City around 835 AM CDT. Other locations impacted by these severe thunderstorms include Camp C.S. Klaus, Big H Campground, Arthur, Turkey River, Beetown, Union, and Cornelia.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Clayton, IA; Grant, WI
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov