Wisconsin Severe Severe Thunderstorm Warning | Effective 09/04/2026 16:03

Headline: 
Severe Thunderstorm Warning issued September 4 at 6:03PM CDT until September 4 at 6:45PM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 4, 2026 - 4:03pm
Expires: 
September 4, 2026 - 4:45pm
Description: 
At 603 PM CDT, a severe thunderstorm was located 11 miles southwest of Mosinee, or 19 miles northwest of Stevens Point, 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 Big Eau Pleine County Park, Halder, 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.
Area Description: 
Marathon, WI; Portage, WI; Wood, WI
Forcast Office: 
NWS Green Bay WI
Sender: 
w-nws.webmaster@noaa.gov