NWS Green Bay WITO.W 0025July 27, 2026
Tornado Warning: Calumet and Winnebago, WI
The National Weather Service office in Green Bay issued a tornado warning for Calumet and Winnebago in Wisconsin, which was in force until 1:00 p.m. local time on July 27. It was the 25th tornado warning the NWS office in Green Bay issued in 2026. Wisconsin had 24 tornado warnings in July 2026, against 12 in an average July of 2008-2025 (Wisconsin's tornado warnings by year).
ExpiredWarning
In force for 43 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Green Bay WI
- Area
- Calumet and Winnebago
- State
- Wisconsin
- Level
- Warning
- Issued
- 12:17 p.m. CDT, July 27, 2026
- Expires
- 1:00 p.m. CDT, July 27, 2026
- CAP severity, certainty, urgency
- Extreme, Observed, Immediate
- VTEC event
- KGRB TO.W 0025
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
TORGRB The National Weather Service in Green Bay has issued a * Tornado Warning for... Southwestern Calumet County in east central Wisconsin... Southeastern Winnebago County in east central Wisconsin... * Until 100 PM CDT. * At 1217 PM CDT, a confirmed and extremely dangerous tornado was located over Northern Lake Winnebago, or 10 miles northeast of Oshkosh, moving south at 35 mph. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Radar confirmed tornado. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Considerable damage to homes, businesses, and vehicles is likely and complete destruction is possible. * This tornado will be near... Central Lake Winnebago and Northern Lake Winnebago around 1220 PM CDT. Other locations impacted by the tornado include Winnebago, Neenah, Brothertown and Black Wolf Point.
What the agency told people to do
A large and extremely dangerous tornado has been confirmed. Move to an interior room on the lowest floor of a well-built building. If in a mobile home, vehicle, or outdoors, move to the closest structure and protect yourself from flying debris. Move to an interior room on the lowest floor of a well-built building away from 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.