Hazardous Weather Outlook
Issued by NWS Green Bay, WI

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FLUS43 KGRB 211927
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
227 PM CDT Thu Aug 21 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-221930-
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-
227 PM CDT Thu Aug 21 2025

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

.DAY ONE...Tonight

Patchy fog is possible late tonight, especially over central
Wisconsin.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

Patchy fog is possible early Friday morning, especially over
central Wisconsin.

Thunderstorms will be possible at times Friday afternoon through
Friday night, then again Sunday afternoon. Isolated strong to
severe storms are possible, especially over north-central
Wisconsin Friday afternoon into Friday evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

LMZ521-522-541>543-221930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
227 PM CDT Thu Aug 21 2025

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...Friday through Thursday

Thunderstorms will be possible at times Friday afternoon through
Friday night, then again on Sunday afternoon. Any thunderstorm
could pose a hazard to mariners.

$$

JLA