Wisconsin Severe Severe Thunderstorm Warning | Effective 07/12/2026 15:12

Headline: 
Severe Thunderstorm Warning issued July 12 at 5:12PM CDT until July 12 at 5:45PM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 12, 2026 - 3:12pm
Expires: 
July 12, 2026 - 3:45pm
Description: 
At 512 PM CDT, severe thunderstorms were located along a line from 15 miles east of Newport State Park to 16 miles northwest of Ephraim, or along a line from 45 miles northeast of Sturgeon Bay to 22 miles northeast of Marinette, moving south at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Newport State Park around 515 PM CDT. Ephraim and Eagle Bluff Light around 520 PM CDT. Cana Island Light and Chambers Island around 525 PM CDT. Other locations impacted by the severe thunderstorm include Rowleys Bay, Ellison Bay, Sister Bay, Fish Creek, Peninsula State Park, Baileys Harbor, Peninsula Center, Whitefish Dunes State Park and Carlsville.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds.
Area Description: 
Door, WI
Forcast Office: 
NWS Green Bay WI