Severe Thunderstorm Warning Wisconsin | Effective 04/02/2026 17:21

Headline: 
Severe Thunderstorm Warning issued April 2 at 7:21PM CDT until April 2 at 7:45PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 2, 2026 - 5:21pm
Expires: 
April 2, 2026 - 5:45pm
Description: 
At 721 PM CDT, severe thunderstorms were located along a line extending from near Lake Mills to near Whitewater to 9 miles north of Darien, moving northeast at 65 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Watertown, Whitewater, Fort Atkinson, Jefferson, Delafield, Lake Mills, Okauchee Lake, Oconomowoc, Ottawa, Johnson Creek, Dousman, North Prairie, Palmyra, Cambridge, Lac La Belle, Lake Ripley, Lake Koshkonong, Ixonia, Rome, and La Grange.
Instruction: 
A Tornado Watch remains in effect until 1100 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: 
Jefferson, WI; Rock, WI; Walworth, WI; Waukesha, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov