387 WWUS73 KGRB 290633 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 133 AM CDT Mon Jun 29 2026 WIZ022-040-050-291500- /O.CON.KGRB.XH.W.0001.260629T1700Z-260701T0000Z/ Door-Kewaunee-Manitowoc- Including the cities of Rostok, Valmy, Shoto, Rio Creek, Norman, Rankin, Point Beach State Park, Manitowoc, Clay Banks, Kewaunee, Duvall, Institute, Potawatomi State Park, Two Rivers, and Alaska 133 AM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values up to 109 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...From noon today to 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. && $$ WIZ030-031-035>039-045-048-049-291500- /O.CON.KGRB.XH.W.0001.260629T1700Z-260701T0000Z/ Marathon-Shawano-Wood-Portage-Waupaca-Outagamie-Brown-Waushara- Winnebago-Calumet- Including the cities of Auroraville, Green Bay, New London, Dundas, Northern Lake Winnebago, Wausau, Winnebago, Mackville, Wautoma, Darboy, Thornton, Bakerville, Stevens Point, Angelica, Wisconsin Rapids, King, Oshkosh, Arnott, Clintonville, Neenah, Plover, Shawano, Waupaca, Marshfield, Wittman Field, Menasha, Rural, Silver Lake, Borth, Hofa Park, Appleton, Northport, and Lind Center 133 AM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values up to 109 expected both Monday and Tuesday afternoon. Overnight heat indices will remain around 75 degrees, which will still be hazardous for anyone without shelter after the extreme heat in the afternoon. * WHERE...Marathon, Portage, Waushara, Wood, Calumet, Winnebago, Brown, Outagamie, Shawano, and Waupaca Counties. * WHEN...From noon today to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ WIZ005-010>013-018>021-073-074-291500- /O.CON.KGRB.HT.Y.0001.260629T1700Z-260701T0000Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Southern Marinette County-Southern Oconto County- Including the cities of Deerbrook, Conover, Rhinelander, Keshena, High Falls Reservoir, Gleason, Breed, Lac Du Flambeau, Merrill, Arbor Vitae, Manitowish Waters, Spread Eagle, Crandon, Lake Tomahawk, Oconto, Cavour, Woodboro, Niagara, Brookside, Starks, Hiles, Enterprise, Harrison, Presque Isle, Blackwell, Antigo, Aurora, Bryant, Little Suamico, Middle Inlet, Boulder Junction, Bloomville, Goodman, Pine River, Neva, Dunbar, Kempster, Harmony, Laona, Crivitz, Doering, Jeffris, Polar, Mountain, Goodnow, Porterfield, Neopit, Loomis, Winchester, Argonne, Mc Naughton, Pembine, Elcho, Armstrong Creek, Peshtigo, Pensaukee, Klondike, Lakewood, Sobieski, Townsend, and Commonwealth 133 AM CDT Mon Jun 29 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT TUESDAY... * WHAT...Heat index values up to 104 during the day both Monday and Tuesday afternoon. 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...From noon today to 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