National Weather Service United States Department of Commerce


518
FLUS43 KGRB 301745
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
1245 PM CDT Mon Mar 30 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-311745-
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-
1245 PM CDT Mon Mar 30 2026

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

.DAY ONE...Tonight

Thunderstorms are expected to develop late this evening and
overnight. A stronger storm or two is possible, with hail and
brief heavy rain being the main hazards.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Thunderstorm re-development will be possible over east-central
Wisconsin early to mid-afternoon on Tuesday, though coverage and
intensity remains uncertain. If any stronger storms were to
develop, the main threat would be hail.

Confidence is increasing for winter weather impacts Wednesday
and Thursday, with both snow and ice accumulations possible. A
combination of snow load, icing, and gusty northeast winds may
result in power outages and broken tree limbs. The Thursday
morning commute will also be impacted.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$

LMZ521-522-541>543-311745-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
1245 PM CDT Mon Mar 30 2026

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

.DAY ONE...Tonight

Isolated strong storms with hail and brief heavy rain will be
possible late this evening and tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Isolated strong storms with hail and brief heavy rain will be
possible Tuesday afternoon.

$$

Goodin


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO