Weather Alerts For Winneconne, WI

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY # DETAILS -------------------- 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. ISSUED AT Monday, June 29, 2026 at 5:52 PM CDT ISSUED BY National Weather Service Green Bay WI HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Winnebago, Brown, Calumet, Marathon, Outagamie, Portage, Shawano, Waupaca, Waushara, Wood 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