< Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 16:13

Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 16:13

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:13PM CDT until April 17 at 6:45PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:13pm
Expires: 
April 17, 2026 - 4:45pm
Description: 
At 613 PM CDT, severe thunderstorms were located along a line extending from Deforest to near Fitchburg to near New Glarus, moving east at 25 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... Madison, Sun Prairie, Fitchburg, Middleton, Waunakee, Verona, Oregon, McFarland, Monona, Windsor, Deforest, Belleville, New Glarus, Shorewood Hills, Maple Bluff, Camp Randall Stadium, Paoli, Token Creek, Henry Vilas Zoo, and UW-Madison.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for south central Wisconsin. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Dane, WI; Green, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI