Weather Alerts For Parker, SD

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT MONDAY # DETAILS -------------------- WHAT Heat index values up to 104 expected. WHERE Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN From 1 PM this afternoon to 9 PM CDT Monday. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Sunday, June 28, 2026 at 3:54 AM CDT ISSUED BY National Weather Service Sioux Falls SD HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. # AREAS AFFECTED -------------------- Clay, Buena Vista, Cherokee, Clay, Dakota, Dickinson, Dixon, Ida, Lincoln, Lyon, Minnehaha, O'Brien, Osceola, Plymouth, Sioux, Turner, Union, Woodbury, Yankton Including the cities of Larchwood, Hawarden, Alcester, Canton, Milford, Elk Point, North Sioux City, Tea, Sanborn, Rock Valley, Hurley, Chancellor, Orange City, Wakefield, Hartley, Cherokee, Storm Lake, Spencer, South Sioux City, Le Mars, Centerville, Sheldon, Lennox, Battle Creek, Yankton, Hull, Sioux City, Spirit Lake, Jefferson, Marion, George, Ponca, Arnolds Park, Holstein, Harrisburg, Allen, Beresford, Inwood, Vermillion, Rock Rapids, Viborg, Sioux Falls, Sioux Center, Parker, Irene, Ida Grove, and Sibley