National Weather Service United States Department of Commerce


379
FLUS43 KGRB 300721
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
221 AM CDT Mon Mar 30 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-310730-
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 AM CDT Mon Mar 30 2026

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

.DAY ONE...Today and Tonight

Some thunderstorms are expected this evening through the early
overnight hours. A few stronger storms are possible. The main
hazards will be hail and brief heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Additional thunderstorms are expected Tuesday. A few stronger
storms remain possible. The main hazards will be hail and brief
heavy rain. There is a low potential for storms with strong wind
gusts from mid-morning through mid-afternoon Tuesday, mainly over
east-central WI.

Winter weather impacts are becoming more likely Wednesday night
through Thursday night. Both accumulating snow and ice could
occur across the area. Stay tuned for later forecasts.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$

LMZ521-522-541>543-310730-
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 AM CDT Mon Mar 30 2026

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

.DAY ONE...Today and Tonight

There is a chance for thunderstorms beginning this evening. A few
stronger storms are possible. The main hazards will be hail and
brief heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance for additional thunderstorms Tuesday. Though
the main hazards will be hail and brief heavy rain, there is a low
potential for storms with strong wind gusts mid morning through
mid afternoon, mainly south of Sturgeon Bay.

$$

JLA


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO