577 

WWUS73 KMKX 282012

NPWMKX



URGENT - WEATHER MESSAGE

National Weather Service Milwaukee/Sullivan WI

312 PM CDT Sun Jun 28 2026



WIZ046-047-051-052-056>060-062>072-290415-

/O.CON.KMKX.XH.W.0001.260629T1700Z-260701T0000Z/

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 Sauk City, Shullsburg, Sheboygan Falls,

Howards Grove, West Bend, Oxford, Milwaukee, Princeton, Lake

Wisconsin, Janesville, Hartford, Portage, Belmont, Benton,

Dodgeville, Whitewater, Mayville, Fond Du Lac, Oostburg,

Brookfield, Berlin, Cedarburg, Grafton, Montello, Monroe, East

Troy, Westfield, Lake Geneva, Muskego, Argyle, Kenosha, Mineral

Point, Markesan, Barneveld, Baraboo, Lodi, New Berlin, Madison,

Waukesha, Germantown, Mequon, Elkhorn, Fort Atkinson, Darlington,

Racine, Endeavor, Prairie Du Sac, Beaver Dam, Blanchardville,

Brodhead, Delavan, Watertown, Neshkoro, Beloit, Jefferson,

Reedsburg, Waupun, Plymouth, Menomonee Falls, and Columbus

312 PM CDT Sun Jun 28 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 7 PM 

CDT TUESDAY...



* WHAT...Dangerously hot conditions with daytime heat index values 

  up to 107 each day and overnight heat index values only in the 

  upper 70s expected.



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

  Wisconsin.



* WHEN...From noon Monday to 7 PM CDT Tuesday.



* IMPACTS...Heat related illnesses increase significantly during 

  extreme heat and high humidity events.



* ADDITIONAL DETAILS...Heat index values along the lakeshore will be 

  a few degrees cooler, but still expecting higher heat index values 

  just inland from Lake Michigan.



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.



&&



$$



WAGNER