746
FLUS43 KMKX 162017
HWOMKX

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
317 PM CDT Sat Aug 16 2025

WIZ046-047-051-052-056>060-062>072-172030-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
317 PM CDT Sat Aug 16 2025

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

.DAY ONE...Tonight

The Fox River in Waukesha will remain above flood stage.

There are chances for thunderstorms through tonight with the main
risk being gusty winds, hail, heavy rain and the possibility for
flash flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

The Fox River in Waukesha will remain above flood stage until at
least early Sunday morning.

There will be continued chances for thunderstorms through the
first half of next week. Locally heavy rainfall is possible,
particularly in locations experiencing repeated rounds of storms.

.SPOTTER INFORMATION STATEMENT...

CoCoRAHS rainfall reports will be appreciated through next week.

$$

LMZ643>646-172030-
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-
317 PM CDT Sat Aug 16 2025

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

.DAY ONE...Tonight

There are chances for thunderstorms through the overnight hours.
Gusty winds are the main hazards.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

There will be continued chances for thunderstorms through the
first half of next week.

Gusty northeast winds in the wake of a front Sunday morning will
produce high waves through Sunday evening.

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-172030-
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-
317 PM CDT Sat Aug 16 2025

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

.DAY ONE...Tonight

There are chances for thunderstorms into the overnight hours.
Gusty winds are the main hazards.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

There will be continued chances for thunderstorms through the
first half of next week.

A wind shift to the northeast will contain gusts up to 30 kt and
building waves in the wake of a cold front on Sunday.

$$
MRC

www.weather.gov/mkx