FLUS43 KGRB 220434
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
1134 PM CDT Fri Aug 21 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-230445-
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-
1134 PM CDT Fri Aug 21 2026

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

.DAY ONE...Tonight

Patchy dense ground fog is possible, mainly across northern WI.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms on Saturday and Tuesday, but 
the risk of severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

LMZ521-522-541>543-230445-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
1134 PM CDT Fri Aug 21 2026

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

.DAY ONE...Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms on Saturday and Tuesday. Any
thunderstorm could pose a hazard to mariners.

$$

Bersch