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Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
300 PM CDT Wed Jul 1 2026

WIZ046-047-051-052-056>060-062>072-022000-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
300 PM CDT Wed Jul 1 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 remains in effect until Thursday evening,
for heat index values in the middle to upper 70s overnight, and
up to around 100 to 105 degrees.

Increasing chances for thunderstorms later this afternoon and
tonight, with the better chances north of a Lone Rock to Sheboygan
line. Some strong to severe storms with heavy rainfall may occur
at times, mainly in the evening. Damaging winds and hail are the
main hazards.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

An Extreme Heat Warning remains in effect through Thursday evening
due to the hot and humid conditions with daily maximum heat index
values in the 90s to low 100s. Additional heat headlines may be
needed Friday, depending on how much cloud cover occurs.

There are periodic chances for thunderstorms Thursday into the
holiday weekend. Some strong to severe storms with heavy rainfall
may occur at times, though confidence remains low with the timing
of each round of storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times into the weekend.

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
119 PM CDT Wed Jul 1 2026

WIZ046-047-051-052-056>060-062>072-020230-
/O.EXT.KMKX.XH.W.0001.000000T0000Z-260703T0300Z/
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 Janesville, Sheboygan Falls, Oostburg,
Madison, Brodhead, East Troy, Grafton, Mayville, Brookfield,
Baraboo, New Berlin, Fond Du Lac, Howards Grove, Darlington,
Monroe, Waupun, Markesan, Watertown, Argyle, Neshkoro, Endeavor,
Jefferson, Westfield, Reedsburg, Berlin, Menomonee Falls,
Shullsburg, Lodi, Oxford, Beloit, Blanchardville, Milwaukee,
Columbus, Germantown, Lake Wisconsin, Sauk City, Hartford,
Portage, Mineral Point, Fort Atkinson, Dodgeville, Kenosha,
Prairie Du Sac, Montello, Delavan, Waukesha, Lake Geneva, West
Bend, Barneveld, Whitewater, Cedarburg, Elkhorn, Belmont, Racine,
Princeton, Benton, Mequon, Plymouth, Beaver Dam, and Muskego
119 PM CDT Wed Jul 1 2026

...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 10 PM CDT THURSDAY...

* WHAT...Dangerously hot conditions with heat index values up to 100.

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

* WHEN...Until 10 PM CDT Thursday.

* 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.

&&

$$

PATTERSON


Hazard Report Provided By forecast.weather.gov

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