Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
730 PM CDT Mon Jun 29 2026

WIZ046-047-051-052-056>060-062>072-010030-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
730 PM CDT Mon Jun 29 2026

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

.DAY ONE...Tonight

An Extreme Heat Warning is in effect. A muggy night with heat
index values only falling into the middle to upper 70s.

High swim risk conditions through this evening for the Lake
Michigan beaches in Sheboygan and Ozaukee Counties with moderate
swim risk conditions in Milwaukee and Racine Counties.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Hot and humid conditions with daily maximum heat index values of
95 to 107 degrees for much of the week. An Extreme Heat Warning
is in effect for Tuesday and Wednesday, but additional heat
headlines may be needed later in the week.

Increasing chances for thunderstorms Tuesday night through the
end of the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
732 PM CDT Mon Jun 29 2026

WIZ046-047-051-052-056>060-062>072-300845-
/O.CON.KMKX.XH.W.0001.000000T0000Z-260702T0000Z/
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Berlin, Cedarburg, Neshkoro, Racine,
Blanchardville, Grafton, Portage, Germantown, Watertown, Kenosha,
Waukesha, Milwaukee, Princeton, Sheboygan Falls, Markesan,
Westfield, Mequon, Montello, Oostburg, Sauk City, Waupun, Prairie
Du Sac, Belmont, Delavan, Reedsburg, Columbus, Janesville, Lodi,
Fond Du Lac, Beaver Dam, Howards Grove, Menomonee Falls, Beloit,
Muskego, Baraboo, East Troy, Brookfield, Oxford, Argyle, Fort
Atkinson, Barneveld, Monroe, Brodhead, Endeavor, Mineral Point,
Jefferson, Elkhorn, Darlington, Lake Wisconsin, Shullsburg,
Mayville, Benton, West Bend, Hartford, Plymouth, Whitewater,
Dodgeville, New Berlin, Lake Geneva, and Madison
732 PM CDT Mon Jun 29 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 106.

* WHERE...Portions of east central, south central, and southeast
  Wisconsin.

* WHEN...Until 7 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Stay cool, stay hydrated, stay informed.

&&

$$

GEHRING

Hazard Report Provided By forecast.weather.gov