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Hazardous Weather Outlook
Note:  Product updated daily by 6 AM and as needed during the day.

874
FLUS43 KGRB 020727
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
227 AM CDT Wed Sep 2 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-030730-
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-
227 AM CDT Wed Sep 2 2026

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

.DAY ONE...Today and Tonight

A few strong or severe storms (level 2 out of 5 risk) will be
possible early this morning over portions of central to east-
central Wisconsin. Main threats with any stronger storms will be
damaging winds and up to 1" hail.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Periodic storm chances will continue Thursday into the weekend,
though it is too early to determine severe weather potential.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this morning. Spotters are
requested to report any hail or wind gusts over 40 mph to the
National Weather Service in Green Bay.

$$

LMZ521-522-541>543-030730-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
227 AM CDT Wed Sep 2 2026

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

.DAY ONE...Today and Tonight

Dense fog is expected at times on Lake Michigan.

A couple strong or severe storms will be possible early this
morning. Any stronger storms could produce strong/damaging winds
and up to 1" hail.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Periodic storm chances will continue Thursday into the weekend.
Any storm would pose a hazard to mariners.

$$

Eckberg


 

Watch County List
Note:  Product issued only as needed -- Make sure date on product matches today's date.

316
WWUS63 KGRB 021054
WCNGRB

WATCH COUNTY NOTIFICATION FOR WATCH 641
NATIONAL WEATHER SERVICE GREEN BAY WI
554 AM CDT WED SEP 2 2026

WIC097-135-137-139-141-021200-
/O.EXP.KGRB.SV.A.0641.000000T0000Z-260902T1100Z/

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH
641 TO EXPIRE AT 6 AM CDT EARLY THIS MORNING FOR THE FOLLOWING
AREAS

IN WISCONSIN THIS ALLOWS TO EXPIRE 5 COUNTIES

IN CENTRAL WISCONSIN

PORTAGE WAUSHARA WOOD

IN EAST CENTRAL WISCONSIN

WINNEBAGO

IN NORTHEAST WISCONSIN

WAUPACA

THIS INCLUDES THE CITIES OF ARNOTT, AURORAVILLE, BAKERVILLE,
BORTH, CLINTONVILLE, KING, LIND CENTER, MARSHFIELD, MENASHA,
NEENAH, NEW LONDON, NORTHPORT, OSHKOSH, PLOVER, RURAL,
SILVER LAKE, STEVENS POINT, WAUPACA, WAUTOMA, WINNEBAGO,
WISCONSIN RAPIDS, AND WITTMAN FIELD.

$$