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Home Return to list Dense Fog Advisory 0013 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2025-09-09 22:49:34 004 WWUS73 KFSD 100349 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1049 PM CDT Tue Sep 9 2025 IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-SDZ039-040- 055-056-062-067-101400- /O.NEW.KFSD.FG.Y.0013.250910T0600Z-250910T1400Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Lincoln-Lyon- Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Kingsbury- Brookings-Lake-Moody-Minnehaha-Lincoln- Including the cities of Hendricks, Hawarden, Arlington, Sioux Center, Hartley, Rock Valley, Madison, Mountain Lake, Inwood, Harrisburg, Fulda, Lennox, Worthington, Hull, Sioux Falls, Ivanhoe, Windom, Lake Benton, George, Arnolds Park, Jackson, Spencer, Sanborn, Marshall, Pipestone, Larchwood, Sibley, Le Mars, Spirit Lake, Tyler, Brookings, Rock Rapids, Luverne, Flandreau, Canton, Milford, Orange City, Lakefield, Sheldon, Orland, Tea, Slayton, Lake Preston, and De Smet 1049 PM CDT Tue Sep 9 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT WEDNESDAY... * WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 9 AM CDT Wednesday. * 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. && $$ Weisser Action: Continued Issued At: 2025-09-10 03:44:34 905 WWUS73 KFSD 100844 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 344 AM CDT Wed Sep 10 2025 IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-SDZ039-040- 055-056-062-067-101400- /O.CON.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Lincoln-Lyon- Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Kingsbury- Brookings-Lake-Moody-Minnehaha-Lincoln- Including the cities of Sioux Center, Worthington, Spirit Lake, Mountain Lake, Lake Preston, Brookings, Slayton, Sioux Falls, Arlington, Orland, Tea, Flandreau, De Smet, Rock Valley, Hartley, Sibley, Spencer, Marshall, Sanborn, George, Madison, Hawarden, Sheldon, Hendricks, Ivanhoe, Arnolds Park, Luverne, Larchwood, Windom, Jackson, Le Mars, Lennox, Orange City, Hull, Milford, Pipestone, Canton, Inwood, Lake Benton, Tyler, Rock Rapids, Lakefield, Fulda, and Harrisburg 344 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ JM Action: Continued Issued At: 2025-09-10 06:16:08 128 WWUS73 KFSD 101115 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 615 AM CDT Wed Sep 10 2025 IAZ031-NEZ013-014-SDZ038-050-052>054-057>061-063>066-068>071-101400- /O.EXA.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/ Woodbury-Dixon-Dakota-Beadle-Gregory-Jerauld-Sanborn-Miner-Brule- Aurora-Davison-Hanson-McCook-Charles Mix-Douglas-Hutchinson- Turner-Bon Homme-Yankton-Clay-Union- Including the cities of Corsica, Ponca, Wakefield, Alcester, Sioux City, Gregory, Parker, Burke, Vermillion, Emery, Howard, Mitchell, Alexandria, Salem, Menno, Yankton, Tabor, Stickney, Centerville, Beresford, Allen, Chamberlain, White Lake, Freeman, Chancellor, Tripp, Scotland, Marty, Bridgewater, Canistota, Parkston, Marion, Montrose, North Sioux City, Jefferson, Lake Andes, Kimball, Hurley, Huron, Platte, Clayton, Tyndall, Armour, Viborg, Wessington Springs, Irene, Springfield, Avon, Elk Point, Plankinton, Delmont, Woonsocket, Alpena, South Sioux City, and Wagner 615 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Visibility one half mile or less in dense fog. * WHERE...Portions of west central Iowa, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * 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. && $$ IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-SDZ039-040- 055-056-062-067-101400- /O.CON.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Lincoln-Lyon- Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Kingsbury- Brookings-Lake-Moody-Minnehaha-Lincoln- Including the cities of Sioux Center, Worthington, Spirit Lake, Mountain Lake, Lake Preston, Brookings, Slayton, Sioux Falls, Arlington, Orland, Tea, Flandreau, De Smet, Rock Valley, Hartley, Sibley, Spencer, Marshall, Sanborn, George, Madison, Hawarden, Sheldon, Hendricks, Ivanhoe, Arnolds Park, Luverne, Larchwood, Windom, Jackson, Le Mars, Lennox, Orange City, Hull, Milford, Pipestone, Canton, Inwood, Lake Benton, Tyler, Rock Rapids, Lakefield, Fulda, and Harrisburg 615 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ JM Action: Area Extended Issued At: 2025-09-10 06:16:08 128 WWUS73 KFSD 101115 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 615 AM CDT Wed Sep 10 2025 IAZ031-NEZ013-014-SDZ038-050-052>054-057>061-063>066-068>071-101400- /O.EXA.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/ Woodbury-Dixon-Dakota-Beadle-Gregory-Jerauld-Sanborn-Miner-Brule- Aurora-Davison-Hanson-McCook-Charles Mix-Douglas-Hutchinson- Turner-Bon Homme-Yankton-Clay-Union- Including the cities of Corsica, Ponca, Wakefield, Alcester, Sioux City, Gregory, Parker, Burke, Vermillion, Emery, Howard, Mitchell, Alexandria, Salem, Menno, Yankton, Tabor, Stickney, Centerville, Beresford, Allen, Chamberlain, White Lake, Freeman, Chancellor, Tripp, Scotland, Marty, Bridgewater, Canistota, Parkston, Marion, Montrose, North Sioux City, Jefferson, Lake Andes, Kimball, Hurley, Huron, Platte, Clayton, Tyndall, Armour, Viborg, Wessington Springs, Irene, Springfield, Avon, Elk Point, Plankinton, Delmont, Woonsocket, Alpena, South Sioux City, and Wagner 615 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Visibility one half mile or less in dense fog. * WHERE...Portions of west central Iowa, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * 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. && $$ IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-SDZ039-040- 055-056-062-067-101400- /O.CON.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Lincoln-Lyon- Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Kingsbury- Brookings-Lake-Moody-Minnehaha-Lincoln- Including the cities of Sioux Center, Worthington, Spirit Lake, Mountain Lake, Lake Preston, Brookings, Slayton, Sioux Falls, Arlington, Orland, Tea, Flandreau, De Smet, Rock Valley, Hartley, Sibley, Spencer, Marshall, Sanborn, George, Madison, Hawarden, Sheldon, Hendricks, Ivanhoe, Arnolds Park, Luverne, Larchwood, Windom, Jackson, Le Mars, Lennox, Orange City, Hull, Milford, Pipestone, Canton, Inwood, Lake Benton, Tyler, Rock Rapids, Lakefield, Fulda, and Harrisburg 615 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ JM Action: Time Extended Issued At: 2025-09-10 08:30:43 382 WWUS73 KFSD 101330 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 830 AM CDT Wed Sep 10 2025 IAZ001>003-012>014-020-031-MNZ071-072-080-081-089-090-097-098-NEZ013- 014-SDZ038>040-050-052>071-101500- /O.EXT.KFSD.FG.Y.0013.000000T0000Z-250910T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Woodbury- Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn- Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha- Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton- Clay-Union- Including the cities of Beresford, Parkston, White Lake, Woonsocket, Emery, Montrose, Delmont, Springfield, Alpena, Mountain Lake, Arnolds Park, Sioux Center, Plankinton, Corsica, Elk Point, Alcester, Tripp, Allen, Hawarden, Sheldon, Hartley, Jefferson, Marshall, Milford, Alexandria, Parker, Luverne, Canistota, Flandreau, Orland, Rock Rapids, Lake Andes, Worthington, Le Mars, Pipestone, Sioux Falls, Inwood, Orange City, Ponca, Irene, Yankton, Tabor, Gregory, Bridgewater, Tyndall, Wessington Springs, Fulda, Chancellor, Chamberlain, Howard, Tyler, Arlington, Viborg, Avon, Rock Valley, Marty, Menno, Scotland, Centerville, Wagner, Huron, De Smet, Kimball, North Sioux City, Armour, Ivanhoe, Clayton, Marion, Canton, Burke, Lakefield, Tea, George, Harrisburg, Madison, Sibley, Lennox, Stickney, Salem, Sioux City, Hendricks, Spencer, Platte, Sanborn, Jackson, Freeman, Lake Benton, Mitchell, Vermillion, Hurley, Lake Preston, Spirit Lake, South Sioux City, Larchwood, Windom, Brookings, Wakefield, Slayton, and Hull 830 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * 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. && $$ Samet Action: Time Extended Issued At: 2025-09-10 09:53:45 335 WWUS73 KFSD 101453 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 953 AM CDT Wed Sep 10 2025 IAZ001>003-012>014-020-031-NEZ013-014-SDZ038>040-050-052>071-101600- /O.EXP.KFSD.FG.Y.0013.000000T0000Z-250910T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Woodbury-Dixon- Dakota-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner- Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Clay- Union- Including the cities of Beresford, Parkston, White Lake, Woonsocket, Emery, Montrose, Delmont, Springfield, Alpena, Arnolds Park, Sioux Center, Plankinton, Corsica, Elk Point, Alcester, Tripp, Allen, Hawarden, Sheldon, Hartley, Jefferson, Milford, Alexandria, Parker, Canistota, Flandreau, Orland, Rock Rapids, Lake Andes, Le Mars, Sioux Falls, Inwood, Orange City, Ponca, Irene, Yankton, Tabor, Gregory, Bridgewater, Tyndall, Wessington Springs, Chancellor, Chamberlain, Howard, Arlington, Viborg, Avon, Rock Valley, Marty, Menno, Scotland, Centerville, Wagner, Huron, De Smet, Kimball, North Sioux City, Armour, Clayton, Marion, Canton, Burke, Tea, George, Harrisburg, Madison, Sibley, Lennox, Stickney, Salem, Sioux City, Spencer, Platte, Sanborn, Freeman, Mitchell, Vermillion, Hurley, Lake Preston, Spirit Lake, South Sioux City, Larchwood, Brookings, Wakefield, and Hull 953 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING... Areas of fog may continue for the next hour with visibilities down to one mile at times, but conditions will continue to improve through the morning. $$ MNZ071-072-080-081-089-090-097-098-101600- /O.EXT.KFSD.FG.Y.0013.000000T0000Z-250910T1600Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- Including the cities of Mountain Lake, Lakefield, Pipestone, Fulda, Windom, Ivanhoe, Jackson, Hendricks, Marshall, Worthington, Tyler, Slayton, Lake Benton, and Luverne 953 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...Visibility less than a quarter mile in dense fog. * WHERE...A portion of southwest Minnesota. * WHEN...Until 11 AM CDT this morning. * 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. && $$ Samet Action: Expired Issued At: 2025-09-10 09:53:45 335 WWUS73 KFSD 101453 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 953 AM CDT Wed Sep 10 2025 IAZ001>003-012>014-020-031-NEZ013-014-SDZ038>040-050-052>071-101600- /O.EXP.KFSD.FG.Y.0013.000000T0000Z-250910T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Woodbury-Dixon- Dakota-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner- Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Clay- Union- Including the cities of Beresford, Parkston, White Lake, Woonsocket, Emery, Montrose, Delmont, Springfield, Alpena, Arnolds Park, Sioux Center, Plankinton, Corsica, Elk Point, Alcester, Tripp, Allen, Hawarden, Sheldon, Hartley, Jefferson, Milford, Alexandria, Parker, Canistota, Flandreau, Orland, Rock Rapids, Lake Andes, Le Mars, Sioux Falls, Inwood, Orange City, Ponca, Irene, Yankton, Tabor, Gregory, Bridgewater, Tyndall, Wessington Springs, Chancellor, Chamberlain, Howard, Arlington, Viborg, Avon, Rock Valley, Marty, Menno, Scotland, Centerville, Wagner, Huron, De Smet, Kimball, North Sioux City, Armour, Clayton, Marion, Canton, Burke, Tea, George, Harrisburg, Madison, Sibley, Lennox, Stickney, Salem, Sioux City, Spencer, Platte, Sanborn, Freeman, Mitchell, Vermillion, Hurley, Lake Preston, Spirit Lake, South Sioux City, Larchwood, Brookings, Wakefield, and Hull 953 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING... Areas of fog may continue for the next hour with visibilities down to one mile at times, but conditions will continue to improve through the morning. $$ MNZ071-072-080-081-089-090-097-098-101600- /O.EXT.KFSD.FG.Y.0013.000000T0000Z-250910T1600Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- Including the cities of Mountain Lake, Lakefield, Pipestone, Fulda, Windom, Ivanhoe, Jackson, Hendricks, Marshall, Worthington, Tyler, Slayton, Lake Benton, and Luverne 953 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...Visibility less than a quarter mile in dense fog. * WHERE...A portion of southwest Minnesota. * WHEN...Until 11 AM CDT this morning. * 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. && $$ Samet Action: Expired Issued At: 2025-09-10 11:01:17 964 WWUS73 KFSD 101600 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1100 AM CDT Wed Sep 10 2025 MNZ071-072-080-081-089-090-097-098-101700- /O.EXP.KFSD.FG.Y.0013.000000T0000Z-250910T1600Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- Including the cities of Mountain Lake, Lakefield, Pipestone, Fulda, Windom, Ivanhoe, Jackson, Hendricks, Marshall, Worthington, Tyler, Slayton, Lake Benton, and Luverne 1100 AM CDT Wed Sep 10 2025 ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM CDT THIS MORNING... Conditions continue to improve, but patchy visibilities less than 2 miles may continue for the next hour over southwest Minnesota. $$ Samet | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||