Wisconsin Severe Thunderstorm Warning - Severe | Effective 06/10/2026 12:52

Headline: 
Severe Thunderstorm Warning issued June 10 at 2:52PM CDT until June 10 at 3:15PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 10, 2026 - 12:52pm
Expires: 
June 10, 2026 - 1:15pm
Description: 
At 252 PM CDT, severe thunderstorms were located along a line extending from near Green Lake to near Waupun to near Okauchee Lake, moving northeast at 55 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Whitewater, Fort Atkinson, Jefferson, Palmyra, Lake Koshkonong, Lake Ripley, Rome, Hebron, Sullivan, Busseyville, Helenville, and Nws Milwaukee/sullivan.
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. This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. These storms have the potential to cause serious injury and significant property damage.
Area Description: 
Jefferson, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov