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

843
FLUS43 KGRB 131029 AAA
HWOGRB

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
529 AM CDT Thu Aug 13 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-141030-
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-
529 AM CDT Thu Aug 13 2026

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

.DAY ONE...Today and Tonight

A few thunderstorms are possible this afternoon. No severe
weather is expected.

Areas of dense fog are expected this morning, especially over the
southern portion of the Fox Valley, where a Dense Fog Advisory is
in effect until 9 AM. Otherwise, patchy dense fog will occur over
the rest of northeast and east-central WI this morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance for thunderstorms Saturday and Saturday night.
At this time, the potential for severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

LMZ521-522-541>543-141030-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
529 AM CDT Thu Aug 13 2026

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

.DAY ONE...Today and Tonight

A few thunderstorms are possible this afternoon. Any thunderstorm
could pose a hazard to mariners.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance for thunderstorms Saturday and Saturday night. Any
thunderstorm could pose a hazard to mariners.

$$

JLA


 

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

128
WWUS63 KGRB 080118
WCNGRB

WATCH COUNTY NOTIFICATION FOR WATCH 542
NATIONAL WEATHER SERVICE GREEN BAY WI
818 PM CDT FRI AUG 7 2026

WIC037-041-075-083-080230-
/O.CAN.KGRB.SV.A.0542.000000T0000Z-260808T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 542 FOR THE FOLLOWING AREAS

IN WISCONSIN THIS CANCELS 4 COUNTIES

IN NORTHEAST WISCONSIN

FLORENCE FOREST MARINETTE
OCONTO

THIS INCLUDES THE CITIES OF ARGONNE, ARMSTRONG CREEK, AURORA,
BLACKWELL, BROOKSIDE, CAVOUR, COMMONWEALTH, CRANDON, DUNBAR,
GOODMAN, HARMONY, HILES, LAONA, LITTLE SUAMICO, NIAGARA, OCONTO,
PEMBINE, PENSAUKEE, PESHTIGO, PORTERFIELD, SOBIESKI,
AND SPREAD EAGLE.

$$

LMZ521-522-080230-
/O.CAN.KGRB.SV.A.0542.000000T0000Z-260808T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 542 FOR THE FOLLOWING AREAS

THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS

GREEN BAY SOUTH OF LINE FROM CEDAR RIVER TO ROCK ISLAND PASSAGE
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI

GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI

$$