Northeast Wisconsin Hazardous Weather Outlook

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FLUS43 KGRB 091736
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
1236 PM CDT Thu Apr 9 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-101745-
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-
1236 PM CDT Thu Apr 9 2026

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

.DAY ONE...This Afternoon and Tonight

Elevated water levels continue along many rivers, with minor
flooding on the Wolf River.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Periods of heavy rain and thunderstorms are expected from Saturday
night through the middle of next week. Strong to severe
thunderstorms could occur Monday into Monday night.

Elevated water levels will continue along many rivers, with minor
flooding at a few locations through the rest of this week. Runoff
from heavy rainfall and rapid snow melt in the Upper Peninsula
could cause river flooding to become more widespread and
significant during the early to mid part of next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed this afternoon or tonight.

$$

LMZ521-522-541>543-101745-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
1236 PM CDT Thu Apr 9 2026

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

.DAY ONE...This Afternoon and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Conditions hazardous to small craft will return late Saturday
night and continue through early next week.

Thunderstorms will be possible at times from Saturday night into
the middle of next week.

$$

MPC

Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO