Weather Alerts For Sioux Falls, SD

URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1012 PM CST Thu Dec 25 2025 Woodbury-Dixon-Dakota-Kingsbury-Brookings-Lake-Moody-McCook- Minnehaha-Turner-Lincoln-Yankton-Clay-Union- Including the cities of Sioux City, Irene, Brookings, Parker, Sioux Falls, Allen, Wakefield, Arlington, Lake Preston, Elk Point, Flandreau, Alcester, De Smet, Vermillion, Centerville, Hurley, Tea, Canton, Canistota, Ponca, Madison, Lennox, Jefferson, Yankton, Montrose, Marion, Salem, South Sioux City, Orland, Chancellor, Bridgewater, Viborg, Harrisburg, North Sioux City, and Beresford 1012 PM CST Thu Dec 25 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of west central Iowa, northeast Nebraska, and east central and southeast South Dakota. * WHEN...Until 9 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Patchy slick spots are possible along and north of I-90 as temperatures fall below freezing. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&