007 WWUS73 KMKX 291804 NPWMKX URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 104 PM CDT Mon Jun 29 2026 WIZ046-047-051-052-056>060-062>072-300215- /O.EXT.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 Beaver Dam, Cedarburg, Brodhead, Waukesha, Argyle, Prairie Du Sac, Baraboo, Elkhorn, Brookfield, Oxford, Dodgeville, Berlin, Muskego, Barneveld, Monroe, Whitewater, Beloit, Princeton, New Berlin, Columbus, Endeavor, Howards Grove, Sauk City, Hartford, Darlington, Mequon, Shullsburg, Janesville, Germantown, Portage, Mayville, Racine, Lake Geneva, Plymouth, Mineral Point, Montello, Markesan, Waupun, Lake Wisconsin, West Bend, Watertown, Fort Atkinson, East Troy, Kenosha, Grafton, Madison, Fond Du Lac, Blanchardville, Neshkoro, Lodi, Milwaukee, Benton, Jefferson, Sheboygan Falls, Belmont, Oostburg, Menomonee Falls, Westfield, Delavan, and Reedsburg 104 PM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY... * WHAT...Dangerously hot conditions with daytime heat index values up to 106 degrees each day through Wednesday, with overnight heat index values each night in the upper 70s. * 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. * ADDITIONAL DETAILS...Heat index values along Lake Michigan will be a few degrees cooler, but still expecting high heat index values immediately inland. 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