National Weather Service United States Department of Commerce


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FLUS43 KGRB 041007 AAA
HWOGRB

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
507 AM CDT Sat Oct 4 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-051015-
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-
507 AM CDT Sat Oct 4 2025

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

.DAY ONE...Today and Tonight

Gusty south to southwest winds paired with record warmth will
result in increased fire weather potential this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Gusty south to southwest winds paired with near record temperatures
will result in increased fire weather potential on Sunday.

There is a chance of thunderstorms Sunday night. No severe weather
is expected.

Conditions will be favorable for frost late at night the middle of
next week over northern WI.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

LMZ521-522-541>543-051015-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
507 AM CDT Sat Oct 4 2025

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

.DAY ONE...Today and Tonight

Increasing southerly winds and building waves will result in
conditions becoming hazardous to small craft on Lake Michigan
beginning late this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Strong and gusty southerly winds and building waves will result
in conditions hazardous to small craft on Lake Michigan through
Monday morning. Hazardous marine conditions will also occur on
the Bay of Green Bay on Sunday and Sunday night.

There is a chance of thunderstorms late Sunday night. Any storm
could pose a hazard to mariners.

$$

JLA


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO