Alert archive / Wisconsin / Frost Advisories in 2025

Frost Advisory 5, NWS Green Bay, WI

May 31, 20258 counties in Wisconsin

NWS Green Bay, WI issued this frost advisory at May 31, 2025, 12:51 PM CDT for 8 counties in Wisconsin. It took effect at Jun 1, 2025, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 31, 2025, 12:51 PM CDT (17:51 UTC)
In effect from
Jun 1, 2025, 1:00 AM CDT
Expired
Jun 1, 2025, 8:00 AM CDT
In force
7 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marinette County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 130 km from the middle of the area, began a volume at 17:51 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 frost advisory 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 frost advisory went out at May 30, 6:55 PM CDT, 17 hours 56 minutes earlier.

Area forecast discussion, May 30, 6:55 PM CDT, 17 hours 56 minutes before
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Hazardous weather outlook, May 30, 2:58 PM CDT, 21 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Green Bay WI
258 PM CDT Fri May 30 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-312000-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
258 PM CDT Fri May 30 2025

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

There is a chance of thunderstorms through early evening, with a
marginal risk of severe storms in eastern Wisconsin. A few of the
strongest storms may produce wind gusts of 40 to 60 mph and hail
up to 1 inch in diameter.

Smoke from Canadian wildfires will impact the region through
tonight. The smoke may reduce visibility and cause air quality
issues. An Air Quality Advisory is in effect for the entire area.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is chance of thunderstorms and heavy rainfall during the
middle of next week.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to report any hail or wind gusts greater than
40 mph to the National Weather Service in Green Bay.

LMZ521-522-541>543-312000-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
258 PM CDT Fri May 30 2025

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

There is a chance of thunderstorms through late afternoon.

A Small Craft Advisory is in effect for the bay and Lake Michigan
nearshore waters from Washington Island to Sturgeon Bay from 4 PM
to 10 PM today. North winds are expected to gust over 25 knots at
times.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms during the middle of next
week.

KLJ

Nearby

Frost Advisories in Wisconsin, 2025Every frost advisory in 2025

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.