National Weather Service United States Department of Commerce


593
FLUS43 KGRB 192340
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
640 PM CDT Fri Jun 19 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-202345-
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-
640 PM CDT Fri Jun 19 2026

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

.DAY ONE...Tonight

There is a chance for thunderstorms through early overnight A few
storms could produce strong, damaging winds and large hail. The
greatest risk for strong to severe storms will be over central
Wisconsin.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms Saturday afternoon in far
northeast Wisconsin, including Door County. Additional chances for
thunderstorms are forecast during the middle of next week, but
severe weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any wind damage or hail to the
National Weather Service in Green Bay.

$$

LMZ521-522-541>543-202345-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
640 PM CDT Fri Jun 19 2026

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

.DAY ONE...Tonight

There is a chance of thunderstorms through early overnight. Any
thunderstorms will pose a hazard to mariners.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

There is a chance of thunderstorms Saturday afternoon and during
the middle of next week. Any thunderstorms will pose a hazard for
mariners.

Conditions may become hazardous to small craft along Lake
Michigan south of Kewaunee on Monday.

$$

MPC


Northeast Wisconsin HWO
Southeast Wisconsin HWO
Upper Michigan HWO