Northeast Wisconsin Hazardous Weather Outlook

843
FLUS43 KGRB 251935
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
235 PM CDT Sat Apr 25 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-261945-
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-
235 PM CDT Sat Apr 25 2026

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

.DAY ONE...Tonight

Minor flooding continues on the Menominee and Wolf Rivers and
associated tributaries. Minor flooding is also occurring along the
Lake Poygan and Lake Winnebago shorelines.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Minor to moderate flooding will continue on the Menominee and
Wolf Rivers and associated tributaries. Due to additional rainfall
and increased snowmelt from Upper Michigan late this week, the
Menominee River could return to recent crests in major flood
stage this weekend into early next week. Minor flooding is also
forecast along the Lake Poygan and Lake Winnebago shorelines.

Showers and thunderstorms could bring locally heavy rain Monday
into Tuesday, along with the possibility of hail. This rainfall
could exacerbate ongoing flooding across the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

LMZ521-522-541>543-261945-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
235 PM CDT Sat Apr 25 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...Sunday through Saturday

Thunderstorms will be possible Monday into Tuesday. Any
thunderstorms would pose a hazard to mariners.

Increasing winds and waves will result in conditions hazardous to
small craft Monday and Tuesday.

$$

Eckberg

Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO