< Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 14:24

Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 14:24

Headline: 
Severe Thunderstorm Warning issued April 17 at 4:24PM CDT until April 17 at 5:30PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 2:24pm
Expires: 
April 17, 2026 - 3:30pm
Description: 
SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southwestern Green Lake County in south central Wisconsin... Northeastern Iowa County in south central Wisconsin... Columbia County in south central Wisconsin... Northwestern Dane County in south central Wisconsin... Sauk County in south central Wisconsin... * Until 530 PM CDT. * At 423 PM CDT, severe thunderstorms were located along a line extending from near Cross Plains to near Mazomanie to 6 miles southeast of Spring Green, moving northeast at 55 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. * Locations impacted include... Waunakee, Baraboo, Portage, Reedsburg, Windsor, Prairie Du Sac, Sauk City, Wisconsin Dells, Lake Wisconsin, Deforest, Lodi, Lake Delton, Poynette, Pardeeville, Randolph, Fall River, Mazomanie, Spring Green, West Baraboo, and Rio. Other landmarks included are the following Locations Mirror Lake State Park, Gibraltar Rock Natural Area County Park, Pine Island State Wildlife Area, Kilbourn Dam, Historic Indian Agency House, French Creek Wildlife Area, and Alliant Energy Portage Power Plant.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 800 PM CDT for south central Wisconsin.
Area Description: 
Columbia, WI; Dane, WI; Green Lake, WI; Iowa, WI; Sauk, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI