Severe Weather Monitor

702
FLUS43 KGRB 290631
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
131 AM CDT Mon Jun 29 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-300645-
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-
131 AM CDT Mon Jun 29 2026

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

.DAY ONE...Today and Tonight

An Extreme Heat Warning is in effect this afternoon and evening
for central and east-central Wisconsin as well as the lakeshore
counties. A Heat Advisory is in effect for northern Wisconsin.

There will be an increased risk of rip currents at Lake Michigan
beaches today and tonight.

Thunderstorms are possible across the region early this morning.
These storms are not expected to be severe.

There is a chance for strong to severe thunderstorms late
tonight across northern Wisconsin. The main hazards would be
damaging winds and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Multiple days of high heat and humidity along with very warm nighttime
lows will result in heat-related impacts much of the upcoming
week. An Extreme Heat Warning is in effect for central and east-
central Wisconsin as well as the lakeshore counties on Tuesday. A
Heat Advisory is in effect for northern Wisconsin.

There will be an increased risk of rip currents at Lake Michigan
beaches Tuesday and Tuesday evening.

Periodic chances for thunderstorms will last through much of next
week. There will be a risk for strong to severe storms Tuesday
and Tuesday night as well as Wednesday and Wednesday night. The
main hazards will be damaging winds and heavy rain.

Additional rounds of storms are expected Wednesday through the 4th
of July weekend. Though details are not yet known, the pattern
would support strong or severe storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$

LMZ521-522-541>543-300645-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
131 AM CDT Mon Jun 29 2026

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

.DAY ONE...Today and Tonight

Thunderstorms are possible this morning. Any thunderstorms would
pose a hazard to mariners.

Conditions hazardous to small craft are expected today and
tonight on Lake Michigan due to gusty southerly winds and building
waves.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Periodic chances for thunderstorms will last through much of the
upcoming week. Some of these storms could be strong or severe.
Any thunderstorm would pose a hazard to mariners.

Conditions hazardous to small craft are expected Tuesday and
Tuesday night on Lake Michigan due to gusty southerly winds and
building waves.

$$

Kurimski

657
WWUS63 KGRB 250159
WCNGRB

WATCH COUNTY NOTIFICATION FOR WATCH 387
NATIONAL WEATHER SERVICE GREEN BAY WI
859 PM CDT WED JUN 24 2026

WIC009-015-071-075-078-083-087-097-115-135-137-139-250300-
/O.CAN.KGRB.SV.A.0387.000000T0000Z-260625T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 387 FOR THE FOLLOWING AREAS

IN WISCONSIN THIS CANCELS 12 COUNTIES

IN CENTRAL WISCONSIN

PORTAGE WAUSHARA

IN EAST CENTRAL WISCONSIN

CALUMET MANITOWOC WINNEBAGO

IN NORTHEAST WISCONSIN

BROWN MARINETTE MENOMINEE
OCONTO OUTAGAMIE SHAWANO
WAUPACA

THIS INCLUDES THE CITIES OF ANGELICA, APPLETON, ARNOTT,
AURORAVILLE, BORTH, BROOKSIDE, CLINTONVILLE, DARBOY, DUNBAR,
DUNDAS, GOODMAN, GREEN BAY, HARMONY, HOFA PARK, KESHENA, KING,
LIND CENTER, LITTLE SUAMICO, MACKVILLE, MANITOWOC, MENASHA,
NEENAH, NEOPIT, NEW LONDON, NIAGARA, NORTHERN LAKE WINNEBAGO,
NORTHPORT, OCONTO, OSHKOSH, PEMBINE, PENSAUKEE, PESHTIGO, PLOVER,
POINT BEACH STATE PARK, PORTERFIELD, RURAL, SHAWANO, SHOTO,
SILVER LAKE, SOBIESKI, STEVENS POINT, THORNTON, TWO RIVERS,
WAUPACA, WAUTOMA, WINNEBAGO, AND WITTMAN FIELD.

$$