< Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 15:00

Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 15:00

Headline: 
Severe Thunderstorm Warning issued April 17 at 5:00PM CDT until April 17 at 5:30PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 3:00pm
Expires: 
April 17, 2026 - 3:30pm
Description: 
At 459 PM CDT, severe thunderstorms were located along a line extending from near Footville to near Beloit, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Janesville, Beloit, South Beloit, Clinton, Newark, Tiffany, Hanover, Avalon, Afton, Shopiere, Avon, Emerald Grove, Johnstown Center, and Foxhollow.
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: 
Rock, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI