National Weather Service United States Department of Commerce


882
FLUS43 KGRB 191854
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
154 PM CDT Wed Aug 19 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-201900-
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-
154 PM CDT Wed Aug 19 2026

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

.DAY ONE...Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

There is a chance for thunderstorms Thursday afternoon into
Friday. The risk for severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

LMZ521-522-541>543-201900-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
154 PM CDT Wed Aug 19 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...Thursday through Wednesday

There is a chance of thunderstorms late Thursday into Friday. Any
thunderstorm could pose a hazard to mariners.

$$

Eckberg


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO