< Wisconsin Severe Thunderstorm Warning | Effective 05/15/2026 22:45

Wisconsin Severe Thunderstorm Warning | Effective 05/15/2026 22:45

Headline: 
Severe Thunderstorm Warning issued May 16 at 12:45AM CDT until May 16 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 15, 2026 - 10:45pm
Expires: 
May 15, 2026 - 11:00pm
Description: 
At 1245 AM CDT, severe thunderstorms were located along a line extending from near Sauk City to 7 miles northwest of New Glarus to 6 miles northeast of Apple River, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Argyle, Blanchardville, Barneveld, Wiota, Arena, Ridgeway, South Wayne, Lamont, Hollandale, Gratiot, Blue Mound St Park, Yellowstone Lake St Park, Jonesdale, and Woodford.
Instruction: 
A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Iowa, WI; Lafayette, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI