Wisconsin Extreme Tornado Warning | Effective 06/17/2026 18:38

Headline: 
Tornado Warning issued June 17 at 8:38PM CDT until June 17 at 9:00PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 6:38pm
Expires: 
June 17, 2026 - 7:00pm
Description: 
At 837 PM CDT, a severe thunderstorm capable of producing a tornado was located over Walworth, or near Williams Bay, moving east at 35 mph. HAZARD...Tornado. SOURCE...Weather spotters reported a funnel cloud. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Fontana-On-Geneva Lake around 845 PM CDT. Other locations impacted by this tornadic thunderstorm include Delavan Lake.
Instruction: 
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Area Description: 
Walworth, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI