Severe Weather Monitor

Severe Weather Monitor
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Northeast Wisconsin watch/warning/advisories

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NE Wisconsin Watch/Warning/Advisories
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U.S. Watch/Warning/Advisories
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Hazardous Weather Outlook
^{Note: Product updated daily by 6 AM and as needed during the day.}

969
FLUS43 KGRB 030710
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
210 AM CDT Thu Sep 3 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-040715-
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-
210 AM CDT Thu Sep 3 2026

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

.DAY ONE...Today and Tonight

The first round of thunderstorms is expected to move across the
area this morning into early this afternoon. Some of the storms
along and south of Highway 29 may become strong or severe with
damaging winds, large hail and torrential rainfall.

There will likely be a lull or break in the thunderstorm activity
this afternoon. Another round or two of strong or severe
thunderstorms are possible late this afternoon through tonight.
Some of these storms may produce damaging winds, large hail and
torrential rainfall.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Periodic storm chances continue into early next week, though
severe weather predictability is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed today or tonight.
Spotters are requested to report hail, strong wind gusts over
40 mph or wind damage.

$$

LMZ521-522-541>543-040715-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
210 AM CDT Thu Sep 3 2026

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

.DAY ONE...Today and Tonight

The first round of thunderstorms is expected to move across the
area this morning into early this afternoon. Stronger storms are
possible with large hail and strong wind gusts, especially
south of Sturgeon Bay.

Another round of thunderstorms is possible tonight that may pose
a significant risk to mariners with strong wind gusts and hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Periodic storm chances will continue into early next week. 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.

$$