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NWS Green Bay WITO.W 0014July 20, 2026

Tornado Warning: Door, WI

The National Weather Service office in Green Bay issued a tornado warning for Door in Wisconsin, which was in force until 8:00 p.m. local time on July 20. It was the 14th 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

Issued7:12 p.m. CDT, July 20, 2026
In force7:12 p.m. CDT, July 20, 2026
Expired8:00 p.m. CDT, July 20, 2026

In force for 48 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
Door
State
Wisconsin
Level
Warning
Issued
7:12 p.m. CDT, July 20, 2026
Expires
8:00 p.m. CDT, July 20, 2026
CAP severity, certainty, urgency
Extreme, Observed, Immediate
VTEC event
KGRB TO.W 0014
Official source
National Weather Service: the notice at its source

Tornado Warnings in Wisconsin since 2008Every warning type in Wisconsin

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... Northern Door County in northeastern Wisconsin... * Until 800 PM CDT. * At 712 PM CDT, a severe thunderstorm capable of producing a tornado was located 19 miles north of Newport State Park, or 38 miles northeast of Marinette, moving southeast at 35 mph. HAZARD...Tornado and quarter size hail. SOURCE...Radar indicated rotation. 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 tornado will be near... Rock Island and Detroit Island around 735 PM CDT. Other locations impacted by the tornado include Rock Island State Park and Washington Island.

What the agency told people to do

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.

The record around this notice