Wisconsin Severe Severe Thunderstorm Warning | Effective 07/20/2026 14:58

Headline: 
Severe Thunderstorm Warning issued July 20 at 4:58PM CDT until July 20 at 5:45PM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 20, 2026 - 2:58pm
Expires: 
July 20, 2026 - 3:45pm
Description: 
SVRGRB The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... Florence County in northeastern Wisconsin... North Central Forest County in northeastern Wisconsin... * Until 545 PM CDT. * At 458 PM CDT, a severe thunderstorm was located near Whisker Lake Wilderness, or 37 miles northeast of Crandon, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Whisker Lake Wilderness around 500 PM CDT. Florence around 505 PM CDT. Other locations impacted by the severe thunderstorm include Commonwealth, Lasalle Falls, Spread Eagle and Aurora.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 1100 PM CDT Monday for a portion of northeast Wisconsin.
Area Description: 
Florence, WI; Forest, WI
Forcast Office: 
NWS Green Bay WI
Sender: 
w-nws.webmaster@noaa.gov