Northeast Wisconsin Hazardous Weather Outlook

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FLUS43 KGRB 151921
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
221 PM CDT Wed Jul 15 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-161930-
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-
221 PM CDT Wed Jul 15 2026

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

.DAY ONE...This Afternoon and Tonight

Dangerous heat indices as high as 100 expected across parts of
central into east-central Wisconsin this afternoon.

Wildfire smoke will impact visibility and air quality.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

Wildfire smoke will impact visibility and air quality at least
into Thursday.

There are low thunderstorm chances Thursday afternoon into
Thursday night. Additional storms are possible Friday into Friday
night and again Monday and Monday evening. It is too early to
determine potential severity.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed this afternoon or tonight.

$$

LMZ521-522-541>543-161930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
221 PM CDT Wed Jul 15 2026

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

.DAY ONE...This Afternoon and Tonight

Wildfire smoke will lead to visibility reductions, potentially
under 1 mile at times.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

There is a chance of thunderstorms Thursday night through Friday
night and again Monday and Monday night that would pose a hazard
to mariners.

$$

JM

Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO