Alert archive / Wisconsin / Freeze Warnings in 2026

Freeze Warning 4, NWS Green Bay, WI

May 21, 2026Florence County, Forest County, Marinette County, Wisconsin

NWS Green Bay, WI issued this freeze warning at May 21, 2026, 4:20 AM CDT for Florence County, Forest County, Marinette County, Wisconsin. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 21, 2026, 4:20 AM CDT (09:20 UTC)
Expired: May 21, 2026, 8:00 AM CDT
In force: 4 hr
Issued by: NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Marinette County, WI

The radar

The Marquette radar (KMQT), 120 km from the middle of the area, began a volume at 09:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this freeze warning went out at May 21, 3:14 AM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, May 21, 3:14 AM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, May 21, 3:24 AM CDT, 56 minutes before

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The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 1:04 PM CDT	Small Craft Advisory	GRB		33 hr
May 21, 1:05 PM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	33 hr

Nearby

Freeze Warnings in Wisconsin, 2026 Every freeze warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.