National Weather Service United States Department of Commerce

Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >


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FLUS43 KGRB 201837
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
137 PM CDT Tue May 20 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-211845-
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-
137 PM CDT Tue May 20 2025

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

.DAY ONE...Tonight

East/northeast winds gusting from 30 to 35 mph continue over
central and east-central Wisconsin tonight, which may make
travel difficult for high profile vehicles on north-south
orientated roads.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report peak wind gusts to the National
Weather Service in Green Bay.

$$

LMZ521-522-541>543-211845-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
137 PM CDT Tue May 20 2025

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

.DAY ONE...Tonight

Conditions hazardous to small craft are expected on the bay and
lake due to gusty east-northeast winds and building waves.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

Conditions hazardous to small craft continue on the bay through
late Wednesday afternoon, and on the lake through late Wednesday
night due to gusty east-northeast winds and high waves.

$$

Uhlmann/Goodin


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO