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Home Return to list Dense Fog Advisory 0011 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-08-06 00:56:16 886 WWUS73 KFSD 060555 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1255 AM CDT Thu Aug 6 2026 IAZ014-021-022-031-032-061500- /O.NEW.KFSD.FG.Y.0011.260806T0800Z-260806T1500Z/ Clay-Cherokee-Buena Vista-Woodbury-Ida- Including the cities of Sioux City, Holstein, Storm Lake, Cherokee, Battle Creek, Spencer, and Ida Grove 1255 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Buena Vista, Cherokee, Clay, Ida, and Woodbury Counties. * 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. && $$ IG Action: Area Extended Issued At: 2026-08-06 03:08:50 943 WWUS73 KFSD 060808 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 308 AM CDT Thu Aug 6 2026 IAZ012-013-020-NEZ013-014-SDZ071-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Plymouth-Dixon-Dakota-Union- Including the cities of Sioux Center, Hartley, Le Mars, Hull, Orange City, Ponca, Allen, South Sioux City, North Sioux City, Sanborn, Hawarden, Beresford, Wakefield, Alcester, Sheldon, Elk Point, Jefferson, and Rock Valley 308 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ014-021-022-031-032-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Clay-Cherokee-Buena Vista-Woodbury-Ida- Including the cities of Sioux City, Holstein, Storm Lake, Cherokee, Battle Creek, Spencer, and Ida Grove 308 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Buena Vista, Cherokee, Clay, Ida, and Woodbury Counties. * 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. && $$ IG Action: Continued Issued At: 2026-08-06 03:08:50 943 WWUS73 KFSD 060808 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 308 AM CDT Thu Aug 6 2026 IAZ012-013-020-NEZ013-014-SDZ071-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Plymouth-Dixon-Dakota-Union- Including the cities of Sioux Center, Hartley, Le Mars, Hull, Orange City, Ponca, Allen, South Sioux City, North Sioux City, Sanborn, Hawarden, Beresford, Wakefield, Alcester, Sheldon, Elk Point, Jefferson, and Rock Valley 308 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ014-021-022-031-032-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Clay-Cherokee-Buena Vista-Woodbury-Ida- Including the cities of Sioux City, Holstein, Storm Lake, Cherokee, Battle Creek, Spencer, and Ida Grove 308 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Buena Vista, Cherokee, Clay, Ida, and Woodbury Counties. * 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. && $$ IG Action: Area Extended Issued At: 2026-08-06 06:12:39 006 WWUS73 KFSD 061112 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 612 AM CDT Thu Aug 6 2026 SDZ069-070-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Yankton-Clay- Including the cities of Vermillion and Yankton 612 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Clay and Yankton Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ012>014-020>022-031-032-NEZ013-014-SDZ071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida- Dixon-Dakota-Union- Including the cities of Le Mars, Ponca, Holstein, Allen, Sanborn, Beresford, Cherokee, Wakefield, Ida Grove, Jefferson, South Sioux City, Storm Lake, Hartley, Hull, Sioux City, Hawarden, Alcester, Elk Point, Battle Creek, Rock Valley, Sioux Center, Orange City, North Sioux City, Sheldon, and Spencer 612 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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, northeast Nebraska, 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. && $$ IG Action: Continued Issued At: 2026-08-06 06:12:39 006 WWUS73 KFSD 061112 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 612 AM CDT Thu Aug 6 2026 SDZ069-070-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Yankton-Clay- Including the cities of Vermillion and Yankton 612 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Clay and Yankton Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ012>014-020>022-031-032-NEZ013-014-SDZ071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida- Dixon-Dakota-Union- Including the cities of Le Mars, Ponca, Holstein, Allen, Sanborn, Beresford, Cherokee, Wakefield, Ida Grove, Jefferson, South Sioux City, Storm Lake, Hartley, Hull, Sioux City, Hawarden, Alcester, Elk Point, Battle Creek, Rock Valley, Sioux Center, Orange City, North Sioux City, Sheldon, and Spencer 612 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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, northeast Nebraska, 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. && $$ IG Action: Continued Issued At: 2026-08-06 07:56:44 460 WWUS73 KFSD 061256 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 756 AM CDT Thu Aug 6 2026 IAZ001>003-MNZ089-090-098-SDZ066-067-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Nobles-Jackson-Rock-Turner-Lincoln- Including the cities of Centerville, Worthington, Spirit Lake, Lakefield, Viborg, Rock Rapids, Jackson, Larchwood, Irene, Marion, George, Tea, Luverne, Harrisburg, Chancellor, Inwood, Canton, Parker, Arnolds Park, Sibley, Lennox, Hurley, and Milford 756 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ012>014-020>022-031-032-NEZ013-014-SDZ069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida- Dixon-Dakota-Yankton-Clay-Union- Including the cities of Rock Valley, Yankton, Sanborn, Hull, Sioux City, Beresford, North Sioux City, Elk Point, Battle Creek, Ponca, Alcester, Sheldon, Hawarden, Orange City, Sioux Center, Ida Grove, Wakefield, Holstein, Vermillion, Spencer, South Sioux City, Hartley, Cherokee, Allen, Le Mars, Jefferson, and Storm Lake 756 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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, northeast Nebraska, 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. && $$ Rogers Action: Area Extended Issued At: 2026-08-06 07:56:44 460 WWUS73 KFSD 061256 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 756 AM CDT Thu Aug 6 2026 IAZ001>003-MNZ089-090-098-SDZ066-067-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Nobles-Jackson-Rock-Turner-Lincoln- Including the cities of Centerville, Worthington, Spirit Lake, Lakefield, Viborg, Rock Rapids, Jackson, Larchwood, Irene, Marion, George, Tea, Luverne, Harrisburg, Chancellor, Inwood, Canton, Parker, Arnolds Park, Sibley, Lennox, Hurley, and Milford 756 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Iowa, southwest Minnesota, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ012>014-020>022-031-032-NEZ013-014-SDZ069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida- Dixon-Dakota-Yankton-Clay-Union- Including the cities of Rock Valley, Yankton, Sanborn, Hull, Sioux City, Beresford, North Sioux City, Elk Point, Battle Creek, Ponca, Alcester, Sheldon, Hawarden, Orange City, Sioux Center, Ida Grove, Wakefield, Holstein, Vermillion, Spencer, South Sioux City, Hartley, Cherokee, Allen, Le Mars, Jefferson, and Storm Lake 756 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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, northeast Nebraska, 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. && $$ Rogers Action: Continued Issued At: 2026-08-06 08:26:15 207 WWUS73 KFSD 061325 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 825 AM CDT Thu Aug 6 2026 SDZ062-068-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Minnehaha-Bon Homme- Including the cities of Springfield, Sioux Falls, Tyndall, Avon, Scotland, and Tabor 825 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility less than one mile in dense fog. * WHERE...Bon Homme and Minnehaha Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ066- 067-069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Turner-Lincoln- Yankton-Clay-Union- Including the cities of Rock Valley, Centerville, Yankton, Sanborn, Hull, Worthington, Sioux City, Spirit Lake, Beresford, North Sioux City, Elk Point, Battle Creek, Lakefield, Ponca, Alcester, Sheldon, Hawarden, Viborg, Rock Rapids, Sioux Center, Orange City, Ida Grove, Wakefield, Jackson, Jefferson, Larchwood, Marion, Irene, George, Holstein, Tea, Vermillion, Luverne, Harrisburg, Chancellor, Inwood, Spencer, South Sioux City, Canton, Hartley, Cherokee, Parker, Arnolds Park, Sibley, Lennox, Allen, Hurley, Le Mars, Milford, and Storm Lake 825 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility less than one mile in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, 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. && $$ Rogers Action: Area Extended Issued At: 2026-08-06 08:26:15 207 WWUS73 KFSD 061325 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 825 AM CDT Thu Aug 6 2026 SDZ062-068-061500- /O.EXA.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Minnehaha-Bon Homme- Including the cities of Springfield, Sioux Falls, Tyndall, Avon, Scotland, and Tabor 825 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility less than one mile in dense fog. * WHERE...Bon Homme and Minnehaha Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ066- 067-069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Turner-Lincoln- Yankton-Clay-Union- Including the cities of Rock Valley, Centerville, Yankton, Sanborn, Hull, Worthington, Sioux City, Spirit Lake, Beresford, North Sioux City, Elk Point, Battle Creek, Lakefield, Ponca, Alcester, Sheldon, Hawarden, Viborg, Rock Rapids, Sioux Center, Orange City, Ida Grove, Wakefield, Jackson, Jefferson, Larchwood, Marion, Irene, George, Holstein, Tea, Vermillion, Luverne, Harrisburg, Chancellor, Inwood, Spencer, South Sioux City, Canton, Hartley, Cherokee, Parker, Arnolds Park, Sibley, Lennox, Allen, Hurley, Le Mars, Milford, and Storm Lake 825 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility less than one mile in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, 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. && $$ Rogers Action: Correction Issued At: 2026-08-06 08:28:30 222 WWUS73 KFSD 061327 CCA NPWFSD URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Sioux Falls SD 827 AM CDT Thu Aug 6 2026 SDZ062-068-061500- /O.COR.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Minnehaha-Bon Homme- Including the cities of Springfield, Sioux Falls, Tyndall, Avon, Scotland, and Tabor 827 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Bon Homme and Minnehaha Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ066- 067-069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Turner-Lincoln- Yankton-Clay-Union- Including the cities of Rock Valley, Centerville, Yankton, Sanborn, Hull, Worthington, Sioux City, Spirit Lake, Beresford, North Sioux City, Elk Point, Battle Creek, Lakefield, Ponca, Alcester, Sheldon, Hawarden, Viborg, Rock Rapids, Sioux Center, Orange City, Ida Grove, Wakefield, Jackson, Jefferson, Larchwood, Marion, Irene, George, Holstein, Tea, Vermillion, Luverne, Harrisburg, Chancellor, Inwood, Spencer, South Sioux City, Canton, Hartley, Cherokee, Parker, Arnolds Park, Sibley, Lennox, Allen, Hurley, Le Mars, Milford, and Storm Lake 827 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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 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. && $$ Rogers Action: Continued Issued At: 2026-08-06 08:28:30 222 WWUS73 KFSD 061327 CCA NPWFSD URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Sioux Falls SD 827 AM CDT Thu Aug 6 2026 SDZ062-068-061500- /O.COR.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Minnehaha-Bon Homme- Including the cities of Springfield, Sioux Falls, Tyndall, Avon, Scotland, and Tabor 827 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Bon Homme and Minnehaha Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ066- 067-069>071-061500- /O.CON.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Turner-Lincoln- Yankton-Clay-Union- Including the cities of Rock Valley, Centerville, Yankton, Sanborn, Hull, Worthington, Sioux City, Spirit Lake, Beresford, North Sioux City, Elk Point, Battle Creek, Lakefield, Ponca, Alcester, Sheldon, Hawarden, Viborg, Rock Rapids, Sioux Center, Orange City, Ida Grove, Wakefield, Jackson, Jefferson, Larchwood, Marion, Irene, George, Holstein, Tea, Vermillion, Luverne, Harrisburg, Chancellor, Inwood, Spencer, South Sioux City, Canton, Hartley, Cherokee, Parker, Arnolds Park, Sibley, Lennox, Allen, Hurley, Le Mars, Milford, and Storm Lake 827 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY REMAINS 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 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. && $$ Rogers Action: Expired Issued At: 2026-08-06 09:54:19 285 WWUS73 KFSD 061453 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 953 AM CDT Thu Aug 6 2026 IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ062- 066>071-061600- /O.EXP.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/ Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Minnehaha-Turner- Lincoln-Bon Homme-Yankton-Clay-Union- Including the cities of Rock Valley, Centerville, Yankton, Sanborn, Tyndall, Hull, Worthington, Sioux City, Spirit Lake, Avon, Beresford, North Sioux City, Elk Point, Battle Creek, Lakefield, Ponca, Alcester, Sheldon, Hawarden, Springfield, Viborg, Rock Rapids, Sioux Center, Orange City, Ida Grove, Wakefield, Jackson, Jefferson, Tabor, Larchwood, Marion, Irene, George, Holstein, Tea, Vermillion, Luverne, Harrisburg, Chancellor, Inwood, Spencer, South Sioux City, Canton, Scotland, Sioux Falls, Hartley, Cherokee, Parker, Arnolds Park, Sibley, Lennox, Allen, Hurley, Le Mars, Milford, and Storm Lake 953 AM CDT Thu Aug 6 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING... Areas of fog will slowly dissipate late this morning across portions of northwest Iowa, northeast Nebraska, and far southeast South Dakota with visibility rising above one mile. Therefore, the Dense Fog Advisory will be allowed to expire at 10 am CDT. Motorists should continue to exercise caution as visibility may still change rapidly over short distances until the fog fully dissipates. $$ Rogers | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||