Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:26

Headline: 
Severe Thunderstorm Warning issued August 11 at 11:26PM CDT until August 12 at 12:30AM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 9:26pm
Expires: 
August 11, 2026 - 10:30pm
Description: 
SVRGRB The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... South Central Marathon County in central Wisconsin... Northwestern Portage County in central Wisconsin... Northeastern Wood County in central Wisconsin... * Until 1230 AM CDT. * At 1126 PM CDT, a severe thunderstorm was located 11 miles northeast of Marshfield, or 22 miles southwest of Wausau, moving southeast 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. * Other locations impacted by the severe thunderstorm include Rozellville, Halder, Big Eau Pleine County Park, Auburndale, Blenker, Milladore, Sherry and Junction City.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Marathon, WI; Portage, WI; Wood, WI
Forcast Office: 
NWS Green Bay WI
Sender: 
w-nws.webmaster@noaa.gov