< Wisconsin Severe Thunderstorm Warning | Effective 05/15/2026 23:41

Wisconsin Severe Thunderstorm Warning | Effective 05/15/2026 23:41

Headline: 
Severe Thunderstorm Warning issued May 16 at 1:41AM CDT until May 16 at 2:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 15, 2026 - 11:41pm
Expires: 
May 16, 2026 - 12:00am
Description: 
At 140 AM CDT, severe thunderstorms were located along a line extending from near Lac La Belle to near Elkhorn to near Hebron, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Watertown, Whitewater, Elkhorn, Delavan, Lake Geneva, East Troy, Williams Bay, Genoa City, Walworth, Johnson Creek, Richmond, Palmyra, Fontana-On-Geneva Lake, Como, Pell Lake, Potter Lake, Powers Lake, Burlington, Ixonia, and Springfield.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Jefferson, WI; Walworth, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI