Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
228 PM CDT Sat Jul 25 2026

WIZ046-047-051-052-056>060-062>072-261930-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
228 PM CDT Sat Jul 25 2026

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

.DAY ONE...Tonight

An isolated thunderstorm is possible tonight in central to
southwestern Wisconsin. Late tonight into Sunday morning, a line
of storms may brush southwestern Wisconsin.

There is a Moderate Swim Risk this afternoon and evening for the
Lake Michigan beaches in Sheboygan County. Breaking waves and
currents are expected. Stay away from dangerous areas like piers,
breakwalls, and river outlets.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Early Sunday morning, southwestern Wisconsin may see a line of
decaying storms.

Sunday afternoon isolated to scattered storms may develop, with
damaging winds and large hail possible. Late Sunday night,
additional lines of storms may develop, bringing additional
damaging wind and hail threats.

A final line of storms possible Monday as a cold front moves
through the region. Damaging winds and hail are possible.

Additional chances for thunderstorms are forecast later in the
week.

Hot and humid conditions expected Sunday and Monday, with heat
index values in the 97 to 104 degree range. A Heat Advisory is in
effect from noon to 9 PM Sunday, and additional advisories may be
issued for Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times Sunday afternoon into
Monday evening.

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1255 PM CDT Sat Jul 25 2026

WIZ046-047-051-056>059-062>072-260200-
/O.NEW.KMKX.HT.Y.0002.260726T1700Z-260727T0200Z/
Marquette-Green Lake-Fond du Lac-Sauk-Columbia-Dodge-Washington-
Iowa-Dane-Jefferson-Waukesha-Milwaukee-Lafayette-Green-Rock-
Walworth-Racine-Kenosha-
Including the cities of West Bend, Brodhead, Germantown, Fort
Atkinson, Neshkoro, Prairie Du Sac, Lake Geneva, Montello,
Monroe, Fond Du Lac, Madison, Hartford, Columbus, Milwaukee,
Beloit, Watertown, Janesville, Baraboo, Endeavor, Elkhorn, Sauk
City, Waukesha, Darlington, Belmont, Waupun, Westfield, Lodi,
Shullsburg, Princeton, Argyle, East Troy, Menomonee Falls,
Brookfield, Lake Wisconsin, Beaver Dam, Benton, Barneveld,
Berlin, Markesan, Jefferson, Reedsburg, New Berlin,
Blanchardville, Mineral Point, Portage, Muskego, Racine,
Dodgeville, Kenosha, Delavan, Whitewater, Mayville, and Oxford
1255 PM CDT Sat Jul 25 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT SUNDAY...

* WHAT...Heat index values of 100 to 103 degrees expected.

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

* WHEN...From noon to 9 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Areas along the immediate Lake Michigan
  shoreline may see some relief from the heat with a lake breeze in
  the afternoon hours.

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.

&&

$$

HEEREN

Hazard Report Provided By forecast.weather.gov