National Weather Service United States Department of Commerce


320
FLUS43 KGRB 170142
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
842 PM CDT Sat May 16 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-180145-
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-
842 PM CDT Sat May 16 2026

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

.DAY ONE...Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

The potential for thunderstorms and heavy rainfall will increase
late this weekend through Tuesday. There is a chance of severe
thunderstorms at times from late Sunday afternoon through Monday
night, though timing and coverage are still uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

LMZ521-522-541>543-180145-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
842 PM CDT Sat May 16 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

Conditions hazardous to small craft are possible Sunday night through
Tuesday evening.

Thunderstorms will be possible from Sunday night through Tuesday.
Any thunderstorm could pose a hazard to mariners.

$$

KLJ


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO