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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Green Bay WI
450 AM CDT Tue Sep 2 2025

LMZ521-522-541>543-031000-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
450 AM CDT Tue Sep 2 2025

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 possible late tonight, which could pose a
hazard to mariners.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A few thunderstorms are possible on Wednesday, which could pose a
hazard to mariners.

There is a chance of waterspouts Wednesday through Wednesday night.

$$

Bersch/Kruk

Hazardous Weather Outlook
National Weather Service Green Bay WI
450 AM CDT Tue Sep 2 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-031000-
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-
450 AM CDT Tue Sep 2 2025

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

.DAY ONE...Today and Tonight

Patchy ground fog early this morning could be locally dense.
Rapidly changing visibility also expected at times.

Isolated to scattered non-severe thunderstorms are expected across
central and north-central Wisconsin this afternoon, and across the
entire area this evening and tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Isolated non-severe thunderstorms on Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any occurrences of fog with
visibilities below 1/4 mile to the National Weather Service in
Green Bay.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
1028 AM CDT Tue Sep 2 2025

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-031530-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
1028 AM CDT Tue Sep 2 2025

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...Today and Tonight

Showers are making their way through the forecast area from west
to east and will continue to exit the region late this morning.

Right behind that, another round of storms is forecast this
afternoon and tonight. A few storms may be strong to severe,
particularly from central Minnesota east into northwest Wisconsin.
Ping pong ball size hail, frequent cloud-to-ground lightning,
wind gusts of 40 to 60 mph, and torrential rainfall which may lead
to localized minor flooding are possible with the strongest
storms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Much cooler temperatures prevail. Patchy frost is possible
Wednesday, Thursday, and Friday nights.



.SPOTTER INFORMATION STATEMENT...

Skywarn spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
909 AM CDT Tue Sep 2 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-031415-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
909 AM CDT Tue Sep 2 2025

This Hazardous Weather Outlook is for the open waters of Lake Michigan.

.DAY ONE...This Afternoon and Tonight

Shower and thunderstorm chances increase late tonight.

A few wind gusts approaching gale force are possible late tonight
over the northern third of the open waters.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Showers and scattered storms will continue through the day on
Wednesday. A few waterspouts are possible, particularly across the
northern half of the lake.

A few wind gusts approaching gale force are possible Wednesday
morning across the northern third of the lake. Gusts could
approach gale force once again Thursday night into Friday.

$$


www.weather.gov/mkx

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
909 AM CDT Tue Sep 2 2025

LMZ643>646-031415-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
909 AM CDT Tue Sep 2 2025

This Hazardous Weather Outlook is for the nearshore waters from Sheboygan
Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...This Afternoon and Tonight

Showers and scattered storms are possible late tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Showers and scattered storms will continue through the day on
Wednesday. Additional showers and isolated storms are expected
Thursday night into Friday.

Wind gusts may approach Small Craft Advisory levels Wednesday
evening and once again late Thursday night into Friday.

$$

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
909 AM CDT Tue Sep 2 2025

WIZ046-047-051-052-056>060-062>072-031415-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
909 AM CDT Tue Sep 2 2025

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...This Afternoon and Tonight

Showers and scattered storms are expected late tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Periods of showers and scattered storms will continue through the
day on Wednesday.

Additional showers and isolated storms are expected late Thursday
night into Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
403 AM CDT Tue Sep 2 2025

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
030915-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
403 AM CDT Tue Sep 2 2025

This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.

.DAY ONE...Today and Tonight.

Scattered thunderstorms early this morning. No severe weather
expected with this first round of storms.

Additional thunderstorms are expected to develop this afternoon
and evening along a cold front. A few of the storms could be
severe, with a level 1 of 5 severe risk. Damaging wind gusts and
large hail will be the primary hazards.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed.

$$

Hazardous Weather Outlook
National Weather Service Marquette MI
343 AM EDT Tue Sep 2 2025

LMZ221-248-250-030745-
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
343 AM EDT Tue Sep 2 2025

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms and waterspouts are possible late tonight. See the
Nearshore Zone Forecast for additional details.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are possible Wednesday. In addition, waterspouts are
possible Wednesday to Thursday. See the Nearshore Zone Forecast
for additional details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

TAP

Hazardous Weather Outlook
National Weather Service Marquette MI
343 AM EDT Tue Sep 2 2025

MIZ001>007-009>014-084-085-030745-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
343 AM EDT Tue Sep 2 2025 /243 AM CDT Tue Sep 2 2025/

This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are possible late today through tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are possible Wednesday, mainly over the east half.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
323 AM EDT Tue Sep 2 2025

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-030730-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
323 AM EDT Tue Sep 2 2025

This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.

.DAY ONE...Today and tonight.

Isolated thunderstorms are possible this afternoon, particularly
nearer to northern Lake Huron and Whitefish Bay/St. Marys River.
Severe weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

A few embedded thunderstorms are possible Wednesday. Severe
weather is not expected at this time, but locally heavy rainfall
totals are possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

For more information visit http://weather.gov/gaylord.

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
323 AM EDT Tue Sep 2 2025

MIZ016>018-020>036-041-042-086>088-095>099-030730-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
323 AM EDT Tue Sep 2 2025

This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.

.DAY ONE...Today and tonight.

Isolated thunderstorms are possible this afternoon, particularly
across interior and northeast Lower Michigan. Severe weather is
not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

A few embedded thunderstorms are possible Wednesday. Severe
weather is not expected at this time, but locally heavy rainfall
totals are possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated, but rainfall reports and
any hail reports are appreciated.

For more information visit http://weather.gov/gaylord.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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