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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1259 AM CDT Sun Jul 19 2026

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-200600-
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-
1259 AM CDT Sun Jul 19 2026

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

.DAY ONE...Tonight

A Dense Smoke Advisory is in effect, as wildfire smoke moving
southward across the lake into tonight is expected to contribute
to lower visibilities and unhealthy air quality.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

The Dense Smoke Advisory continues Sunday into later Sunday
night, as wildfire smoke lingers across the lake and contributes
to lower visibilities and unhealthy air quality. It may linger
into Monday morning.

Strong to severe storms are possible mainly Monday afternoon and
night, with all severe weather hazards possible.

A few southerly gales are possible Monday afternoon and evening,
with a few northwest gales possible Tuesday night into Wednesday.

$$


www.weather.gov/mkx

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
1106 PM CDT Sat Jul 18 2026

LMZ521-522-541>543-200415-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
1106 PM CDT Sat Jul 18 2026

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

.DAY ONE...Tonight

Wildfire smoke will lead to visibility reductions, potentially
under 1 mile at times.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Conditions hazardous to small craft are likely Monday into Monday
night.

Wildfire smoke will lead to visibility reductions, potentially
under 1 mile at times Sunday into Monday and possibly at times
later in the week.

There is a chance of thunderstorms Monday and Monday night that
would pose a hazard to mariners.

$$

JLA

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
1106 PM CDT Sat Jul 18 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-200415-
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-
1106 PM CDT Sat Jul 18 2026

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

.DAY ONE...Tonight

Higher concentrations of wildfire smoke will impact visibility
and air quality.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Wildfire smoke will continue to impact visibility and air quality
at times Sunday into Monday morning.

Thunderstorms are possible early Monday, then a round of storms is
likely Monday afternoon into Monday night, where there is a level
3 of 5 risk of severe storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
535 PM CDT Sat Jul 18 2026

LSZ121-140>148-150-192245-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
535 PM CDT Sat Jul 18 2026

This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.

.DAY ONE...Tonight

Patchy smoke is possible today into tonight. Smoke concentrations
over the water may cause difficulty breathing.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Isolated to scattered strong to severe storms are possible Sunday
night and Monday.

Gusty southwest winds Monday will veer northwesterly Tuesday and
may lead to hazardous conditions for small craft both days.

Occasional dense marine smoke is possible Sunday and Monday.

$$

Huyck

More information may be obtained at the following web address:
http://www.weather.gov/duluth

Hazardous Weather Outlook
National Weather Service Duluth MN
535 PM CDT Sat Jul 18 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-192245-
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-
535 PM CDT Sat Jul 18 2026

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

.DAY ONE...Tonight

Strong winds and dry air will create near-critical fire weather
conditions for most of northeast Minnesota today.

Smoke from wildfires is expected to lead to "Unhealthy" category
air quality for portions of the Minnesota Arrowhead. Northwest
Wisconsin will see "Very Unhealthy" category to "Unhealthy"
category air quality.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Near-critical fire weather conditions are possible for parts of
the region Sunday.

More hot weather is possible Sunday and Monday. Heat headlines
may be needed.

Isolated to scattered strong to severe thunderstorms are possible
Sunday night and Monday.

Strong winds and dry air will lead to near-critical fire weather
conditions Monday afternoon and possibly Tuesday.

Smoke from wildfires will result in "Very Unhealthy" category and
"Unhealthy" category air quality for portions of the region Sunday
and Monday.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotter activation will not be needed tonight.

$$

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
341 PM CDT Sat Jul 18 2026

MNZ053-063-070-077-078-085-093-WIZ014>016-023>028-192045-
Chisago-Washington-Dakota-Rice-Goodhue-Steele-Freeborn-Polk-
Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
341 PM CDT Sat Jul 18 2026

This Hazardous Weather Outlook is for portions of east central
Minnesota...south central Minnesota...southeast Minnesota...
northwest Wisconsin and west central Wisconsin.

.DAY ONE...Tonight.

An Air Quality Alert is in effect as smoke arrives again tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are likely late Sunday night, with another round
potentially Monday afternoon. Some storms may be severe with
damaging winds, large hail, and heavy rainfall.

The Air Quality Alert will remain in effect through early Monday
afternoon.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed late Sunday night and
Monday.

$$

Borghoff

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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