Severe Weather Monitor

948
FLUS43 KGRB 261854
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
154 PM CDT Sun Apr 26 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-271900-
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 Sun Apr 26 2026

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

.DAY ONE...Tonight

Minor flooding continues on the Menominee and Wolf Rivers as well
as along the Lake Poygan and Lake Winnebago shorelines.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Minor flooding will continue on the Menominee and Wolf Rivers and
associated tributaries. Due to additional rainfall and increased
snowmelt from Upper Michigan, portions of the Menominee River
could return to moderate flood stage during the middle to late
part of next week. Minor flooding is also forecast along the Lake
Poygan and Lake Winnebago shorelines.

Showers and thunderstorms could bring locally heavy rain Monday
and Monday night. This rainfall could exacerbate ongoing flooding
across the region.

Strong to severe storms are possible Monday afternoon and Monday
evening south of a line from Rhinelander to Sturgeon Bay. The
primary threat will be gusty winds and large hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

LMZ521-522-541>543-271900-
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 Sun Apr 26 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...Monday through Sunday

Thunderstorms will be possible Monday and Monday night. Any
thunderstorms would pose a hazard to mariners.

Increasing winds and waves will result in conditions hazardous to
small craft Monday and Tuesday. A Small Craft Advisory has been
posted.

$$

Eckberg