FLUS43 KGRB 190127
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
827 PM CDT Mon May 18 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-200130-
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-
827 PM CDT Mon May 18 2026

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

.DAY ONE...Tonight

Thunderstorm will move into central and north-central WI late this
evening and overnight. The best potential for severe storms is
from central to north-central WI between 11:00 PM to 4:00 AM. Damaging
winds are the primary threat.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

There is a chance of non-severe thunderstorms early Tuesday 
morning.

Frost is possible across mainly northern Wisconsin Tuesday night 
and Wednesday night.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report wind gusts greater than 40 mph
and hail to the National Weather Service in Green Bay.

$$

LMZ521-522-541>543-200130-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
827 PM CDT Mon May 18 2026

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

.DAY ONE...Tonight

Fog will reduce visibility to less than 1 NM this evening and
overnight. 

Conditions hazardous to small craft are expected on Lake Michigan
nearshore waters overnight. 

There is a chance of thunderstorms late tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Thunderstorms will be possible Tuesday morning. Any thunderstorm 
could pose a hazard to mariners.

Fog will reduce visibility to less than 1 NM through Tuesday
morning.

Conditions hazardous to small craft are expected through Tuesday
afternoon.

$$

KLJ