Weather Alerts For De Smet, SD
Dense Fog Advisory
-URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1153 AM CST Thu Dec 25 2025 Woodbury-Dixon-Dakota-Kingsbury-Brookings-Lake-Moody-McCook- Minnehaha-Turner-Lincoln-Yankton-Clay-Union- Including the cities of Lennox, De Smet, Chancellor, Arlington, Irene, Elk Point, Sioux City, Parker, Harrisburg, Wakefield, Beresford, Orland, Bridgewater, Vermillion, Viborg, Canton, Montrose, Lake Preston, Jefferson, Salem, Marion, Centerville, Madison, Tea, Flandreau, Allen, North Sioux City, Sioux Falls, Ponca, South Sioux City, Canistota, Yankton, Hurley, Brookings, and Alcester 1153 AM CST Thu Dec 25 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. Some improvement in visibility is likely through the afternoon, but the visibility should rapidly drop again after sunset. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&