< Wisconsin Severe Thunderstorm Warning | Effective 04/13/2026 23:04

Wisconsin Severe Thunderstorm Warning | Effective 04/13/2026 23:04

Headline: 
Severe Thunderstorm Warning issued April 14 at 1:04AM CDT until April 14 at 1:30AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 13, 2026 - 11:04pm
Expires: 
April 13, 2026 - 11:30pm
Description: 
At 104 AM CDT, severe thunderstorms were located along a line extending from near Lomira to near Fort Atkinson, moving east at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... West Bend, Watertown, Whitewater, Hartford, Fort Atkinson, Hartland, Jefferson, Delafield, Lake Mills, Mayville, Slinger, Kewaskum, Horicon, Juneau, Wales, Okauchee Lake, Oconomowoc, Ottawa, Merton, and Johnson Creek.
Instruction: 
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: 
Dodge, WI; Fond du Lac, WI; Jefferson, WI; Washington, WI; Waukesha, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI