< Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 14:58

Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 14:58

Headline: 
Severe Thunderstorm Warning issued April 17 at 4:58PM CDT until April 17 at 5:15PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 2:58pm
Expires: 
April 17, 2026 - 3:15pm
Description: 
At 457 PM CDT, a severe thunderstorm was located near Marshall, moving northeast 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... Lake Mills, Marshall, Waterloo, Cottage Grove, Deerfield, Milford, Deansville, and Hubbleton.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for south central and southeastern 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; Jefferson, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI