< Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 15:33

Wisconsin Severe Thunderstorm Warning | Effective 04/17/2026 15:33

Headline: 
Severe Thunderstorm Warning issued April 17 at 5:33PM CDT until April 17 at 6:15PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 3:33pm
Expires: 
April 17, 2026 - 4:15pm
Description: 
SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Western Walworth County in southeastern Wisconsin... Rock County in south central Wisconsin... * Until 615 PM CDT. * At 533 PM CDT, a severe thunderstorm was located over Orfordville, or 8 miles east of Brodhead, moving east at 25 mph. THIS IS A DESTRUCTIVE STORM FOR Southern ROCK and Walworth counties. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Broadcast media. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. * Locations impacted include... Janesville, Beloit, Delavan, Milton, Clinton, Sharon, Darien, Orfordville, Footville, Richmond, Newark, Tiffany, Hanover, Allens Grove, Avalon, Afton, Shopiere, Emerald Grove, Johnstown Center, and Leyden.
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. This is a dangerous storm. Prepare immediately for large destructive hail capable of producing significant damage. People outside should move to shelter inside a strong building, and stay away from windows. A Tornado Watch remains in effect until 800 PM CDT for south central and southeastern Wisconsin.
Area Description: 
Rock, WI; Walworth, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI