Wisconsin Severe Severe Thunderstorm Warning | Effective 09/03/2026 23:57

Headline: 
Severe Thunderstorm Warning issued September 4 at 1:57AM CDT until September 4 at 3:00AM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 3, 2026 - 11:57pm
Expires: 
September 4, 2026 - 1:00am
Description: 
SVRGRB The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... Calumet County in east central Wisconsin... Southwestern Manitowoc County in east central Wisconsin... * Until 300 AM CDT. * At 157 AM CDT, severe thunderstorms were located along a line from over Menasha to 7 miles north of Rush Lake, or along a line from near Appleton to 15 miles west of Oshkosh, 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. * This severe thunderstorm will be near... Menasha, Northern Lake Winnebago, Appleton and Central Lake Winnebago around 200 AM CDT. High Cliff State Park around 210 AM CDT. Chilton and Brillion around 230 AM CDT. St. Nazianz around 245 AM CDT. St Anna around 250 AM CDT. Camp Rokilio Scout Camp around 255 AM CDT. Other locations impacted by the severe thunderstorm include Sherwood, Harrison, St John, Stockbridge, Hilbert, Forest Junction, Kloten, Quinney, Brothertown and Brant.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail.
Area Description: 
Calumet, WI; Manitowoc, WI
Forcast Office: 
NWS Green Bay WI
Sender: 
w-nws.webmaster@noaa.gov