608 WWUS73 KGRB 292252 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 552 PM CDT Mon Jun 29 2026 WIZ022-040-050-300700- /O.CON.KGRB.XH.W.0001.000000T0000Z-260701T0000Z/ Door-Kewaunee-Manitowoc- Including the cities of Shoto, Point Beach State Park, Kewaunee, Valmy, Duvall, Manitowoc, Potawatomi State Park, Rio Creek, Norman, Two Rivers, Rankin, Clay Banks, Alaska, Institute, and Rostok 552 PM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values up to 107 expected inland, away from Lake Michigan. Overnight heat indices will remain around 75 degrees, which will still be hazardous for anyone without shelter after the extreme heat in the afternoon. * WHERE...Manitowoc, Door, and Kewaunee Counties. Primarily in western Manitowoc and Kewaunee counties and southern Door County. * WHEN...Until 7 PM CDT Tuesday. * 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. && $$ WIZ030-031-035>039-045-048-049-300700- /O.CON.KGRB.XH.W.0001.000000T0000Z-260701T0000Z/ Marathon-Shawano-Wood-Portage-Waupaca-Outagamie-Brown-Waushara- Winnebago-Calumet- Including the cities of Winnebago, Hofa Park, New London, Clintonville, Shawano, Green Bay, Darboy, Borth, Northport, Wausau, Waupaca, Rural, Stevens Point, Plover, Thornton, Menasha, Lind Center, Mackville, Wautoma, Neenah, Marshfield, Auroraville, Wisconsin Rapids, Northern Lake Winnebago, Dundas, Appleton, Oshkosh, Bakerville, King, Angelica, Arnott, Wittman Field, and Silver Lake 552 PM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values up to 109 expected. Overnight heat indices will remain around 75 degrees, which will still be hazardous for anyone without shelter after the extreme heat in the afternoon. * WHERE...Marathon, Portage, Waushara, Wood, Calumet, Winnebago, Brown, Outagamie, Shawano, and Waupaca Counties. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ WIZ005-010>013-018>021-073-074-300700- /O.CON.KGRB.HT.Y.0001.000000T0000Z-260701T0000Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Southern Marinette County-Southern Oconto County- Including the cities of Goodman, Blackwell, Commonwealth, Polar, Crivitz, Loomis, Mc Naughton, Starks, Middle Inlet, Merrill, Pembine, Lakewood, Peshtigo, Oconto, Winchester, Enterprise, Argonne, Bloomville, Gleason, Pine River, High Falls Reservoir, Porterfield, Conover, Armstrong Creek, Neopit, Harmony, Presque Isle, Goodnow, Rhinelander, Hiles, Breed, Doering, Elcho, Mountain, Woodboro, Dunbar, Jeffris, Lac Du Flambeau, Spread Eagle, Deerbrook, Harrison, Arbor Vitae, Pensaukee, Manitowish Waters, Aurora, Brookside, Crandon, Kempster, Boulder Junction, Laona, Antigo, Klondike, Townsend, Keshena, Little Suamico, Bryant, Sobieski, Lake Tomahawk, Niagara, Cavour, and Neva 552 PM CDT Mon Jun 29 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...Heat index values up to 104 expected. Overnight heat indices will remain above 70 degrees, which will still be hazardous for anyone without shelter after the heat in the afternoon. * WHERE...Portions of north central and northeast Wisconsin. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski