WWUS43 KFSD 131822 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 122 PM CDT Fri Mar 13 2026 IAZ020-031-NEZ013-014-SDZ068>071-140430- /O.EXB.KFSD.WS.A.0001.260315T0600Z-260316T1200Z/ Plymouth-Woodbury-Dixon-Dakota-Bon Homme-Yankton-Clay-Union- Including the cities of Elk Point, Avon, Jefferson, Allen, Springfield, Tabor, Yankton, Tyndall, Alcester, Scotland, North Sioux City, Wakefield, South Sioux City, Vermillion, Ponca, Beresford, Le Mars, and Sioux City 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... * WHAT...Heavy snow and widespread blowing snow possible. Total snow accumulations between 2 and 4 inches possible. Winds could gust as high as 60 mph. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Plan on slippery road conditions. Falling and blowing snow, frequently reducing visibility below a half mile, may make travel dangerous, especially in open country. The hazardous conditions could impact the Monday morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ SDZ050-063-140430- /O.EXA.KFSD.WS.A.0001.260315T0000Z-260316T0600Z/ Gregory-Charles Mix- Including the cities of Marty, Wagner, Lake Andes, Gregory, Platte, and Burke 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Blizzard conditions possible. Total snow accumulations between 2 and 4 inches possible. Winds could gust as high as 60 mph. * WHERE...Charles Mix and Gregory Counties. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Visibilities may drop below 1/2 mile due to falling and/or blowing snow at times. Plan on slippery road conditions. Whiteout conditions may make travel extremely dangerous or impossible. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ IAZ001-MNZ098-SDZ062-066-067-140430- /O.EXT.KFSD.WS.A.0001.260315T0600Z-260316T1200Z/ Lyon-Rock-Minnehaha-Turner-Lincoln- Including the cities of Centerville, Viborg, Larchwood, Inwood, Harrisburg, Luverne, George, Hurley, Tea, Sioux Falls, Chancellor, Canton, Parker, Lennox, Marion, Irene, and Rock Rapids 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH NOW IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... * WHAT...Blizzard conditions possible. Total snow accumulations between 4 and 7 inches and ice accumulations around a light glaze possible. Winds could gust as high as 60 mph. * WHERE...In Iowa, Lyon County. In Minnesota, Rock County. In South Dakota, Lincoln, Minnehaha, and Turner Counties. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Visibilities may drop below 1/2 mile due to falling and/or blowing snow at times. Travel could be very difficult. Whiteout conditions may make travel extremely dangerous or impossible. The hazardous conditions could impact the Monday morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ IAZ002-003-012>014-021-022-032-140430- /O.EXT.KFSD.WS.A.0001.260315T0600Z-260316T1200Z/ Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-Ida- Including the cities of Sheldon, Hawarden, Cherokee, Ida Grove, Battle Creek, Milford, Hartley, Spencer, Orange City, Sanborn, Holstein, Sioux Center, Arnolds Park, Hull, Storm Lake, Rock Valley, Sibley, and Spirit Lake 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH NOW IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY MORNING... * WHAT...Heavy mixed precipitation and widespread blowing snow possible. Total snow accumulations between 4 and 9 inches and ice accumulations around a light glaze possible. Winds could gust as high as 60 mph. * WHERE...Portions of northwest and west central Iowa. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Travel could be very difficult. Falling and blowing snow, frequently reducing visibility below a half mile, may make travel dangerous, especially in open country. The hazardous conditions could impact the Monday morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MNZ071-072-080-081-089-090-097-SDZ040-056-140430- /O.CON.KFSD.WS.A.0001.260315T0000Z-260316T1200Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Brookings- Moody- Including the cities of Marshall, Windom, Flandreau, Worthington, Pipestone, Lake Benton, Ivanhoe, Fulda, Mountain Lake, Brookings, Jackson, Tyler, Hendricks, Slayton, and Lakefield 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... * WHAT...Blizzard conditions possible. Total snow accumulations between 9 and 15 inches possible. Winds could gust as high as 55 mph. * WHERE...Portions of southwest Minnesota and east central South Dakota. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Visibilities may drop below 1/2 mile due to falling and/or blowing snow at times. Travel could be very difficult to impossible. Whiteout conditions may make travel extremely dangerous or impossible. The hazardous conditions could impact the Monday morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ SDZ038-039-052>055-140430- /O.CON.KFSD.WS.A.0001.260315T0000Z-260316T0600Z/ Beadle-Kingsbury-Jerauld-Sanborn-Miner-Lake- Including the cities of Howard, Lake Preston, Madison, Wessington Springs, Alpena, Huron, Orland, Woonsocket, Arlington, and De Smet 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Blizzard conditions possible. Total snow accumulations between 6 and 9 inches possible. Winds could gust as high as 55 mph. * WHERE...Portions of central and east central South Dakota. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Visibilities may drop below 1/2 mile due to falling and/or blowing snow at times. Travel could be very difficult to impossible. Whiteout conditions may make travel extremely dangerous or impossible. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ SDZ057>061-064-065-140430- /O.CON.KFSD.WS.A.0001.260315T0000Z-260316T0600Z/ Brule-Aurora-Davison-Hanson-McCook-Douglas-Hutchinson- Including the cities of Freeman, Plankinton, Delmont, Salem, Clayton, Montrose, Parkston, Chamberlain, Kimball, White Lake, Armour, Canistota, Emery, Corsica, Mitchell, Alexandria, Tripp, Bridgewater, Menno, and Stickney 122 PM CDT Fri Mar 13 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Blizzard conditions possible. Total snow accumulations between 3 and 5 inches possible. Winds could gust as high as 60 mph. * WHERE...Portions of south central and southeast South Dakota. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Visibilities may drop below 1/2 mile due to falling and/or blowing snow at times. Travel could be very difficult. Whiteout conditions may make travel extremely dangerous or impossible. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. && $$ AP