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Home Return to list Dense Fog Advisory 0004 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-02-26 02:42:14 999 WWUS73 KFSD 260841 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 241 AM CST Thu Feb 26 2026 IAZ002-003-013-014-022-MNZ089-098-261500- /O.NEW.KFSD.FG.Y.0004.260226T0841Z-260226T1500Z/ Osceola-Dickinson-OBrien-Clay-Buena Vista-Nobles-Rock- Including the cities of Luverne, Hartley, Sheldon, Spencer, Worthington, Arnolds Park, Spirit Lake, Milford, Storm Lake, Sanborn, and Sibley 241 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility of 1/2 mile or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 9 AM CST 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. && $$ IG Action: Continued Issued At: 2026-02-26 03:15:45 240 WWUS73 KFSD 260915 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 315 AM CST Thu Feb 26 2026 MNZ090-261500- /O.EXA.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Jackson- Including the cities of Lakefield and Jackson 315 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibilities of a 1/2 mile or less in dense fog. * WHERE...Jackson County. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ002-003-013-014-022-MNZ089-098-261500- /O.CON.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Osceola-Dickinson-OBrien-Clay-Buena Vista-Nobles-Rock- Including the cities of Luverne, Hartley, Sheldon, Spencer, Worthington, Arnolds Park, Spirit Lake, Milford, Storm Lake, Sanborn, and Sibley 315 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibilities of a 1/2 or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 9 AM CST 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. && $$ IG Action: Area Extended Issued At: 2026-02-26 03:15:45 240 WWUS73 KFSD 260915 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 315 AM CST Thu Feb 26 2026 MNZ090-261500- /O.EXA.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Jackson- Including the cities of Lakefield and Jackson 315 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibilities of a 1/2 mile or less in dense fog. * WHERE...Jackson County. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ IAZ002-003-013-014-022-MNZ089-098-261500- /O.CON.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Osceola-Dickinson-OBrien-Clay-Buena Vista-Nobles-Rock- Including the cities of Luverne, Hartley, Sheldon, Spencer, Worthington, Arnolds Park, Spirit Lake, Milford, Storm Lake, Sanborn, and Sibley 315 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibilities of a 1/2 or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 9 AM CST 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. && $$ IG Action: Continued Issued At: 2026-02-26 06:09:37 615 WWUS73 KFSD 261209 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 609 AM CST Thu Feb 26 2026 IAZ002-013-261315- /O.CAN.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Osceola-OBrien- Including the cities of Sibley, Hartley, Sheldon, and Sanborn 609 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IS CANCELLED... Visibilities have started to improve as surface winds strengthened. As a result, portions of the dense fog advisory will be cancelled. $$ IAZ003-014-022-MNZ089-090-098-261500- /O.CON.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Dickinson-Clay-Buena Vista-Nobles-Jackson-Rock- Including the cities of Luverne, Jackson, Spencer, Worthington, Arnolds Park, Storm Lake, Spirit Lake, Milford, and Lakefield 609 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility of a 1/2 mile or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 9 AM CST 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. && $$ IG Action: Cancelled Issued At: 2026-02-26 06:09:37 615 WWUS73 KFSD 261209 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 609 AM CST Thu Feb 26 2026 IAZ002-013-261315- /O.CAN.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Osceola-OBrien- Including the cities of Sibley, Hartley, Sheldon, and Sanborn 609 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IS CANCELLED... Visibilities have started to improve as surface winds strengthened. As a result, portions of the dense fog advisory will be cancelled. $$ IAZ003-014-022-MNZ089-090-098-261500- /O.CON.KFSD.FG.Y.0004.000000T0000Z-260226T1500Z/ Dickinson-Clay-Buena Vista-Nobles-Jackson-Rock- Including the cities of Luverne, Jackson, Spencer, Worthington, Arnolds Park, Storm Lake, Spirit Lake, Milford, and Lakefield 609 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility of a 1/2 mile or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 9 AM CST 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. && $$ IG Action: Time Extended Issued At: 2026-02-26 08:48:12 570 WWUS73 KFSD 261448 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 848 AM CST Thu Feb 26 2026 IAZ003-014-022-MNZ089-090-098-261700- /O.EXT.KFSD.FG.Y.0004.000000T0000Z-260226T1700Z/ Dickinson-Clay-Buena Vista-Nobles-Jackson-Rock- Including the cities of Storm Lake, Luverne, Spirit Lake, Milford, Spencer, Jackson, Worthington, Lakefield, and Arnolds Park 848 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Visibility of a 1/2 mile or less in dense fog. * WHERE...Portions of northwest Iowa and southwest Minnesota. * WHEN...Until 11 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ Rogers Action: Cancelled Issued At: 2026-02-26 10:08:59 358 WWUS73 KFSD 261608 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1008 AM CST Thu Feb 26 2026 IAZ003-014-022-MNZ089-090-098-261715- /O.CAN.KFSD.FG.Y.0004.000000T0000Z-260226T1700Z/ Dickinson-Clay-Buena Vista-Nobles-Jackson-Rock- Including the cities of Storm Lake, Luverne, Spirit Lake, Milford, Spencer, Jackson, Worthington, Lakefield, and Arnolds Park 1008 AM CST Thu Feb 26 2026 ...DENSE FOG ADVISORY IS CANCELLED... Dense fog from earlier this morning across portions of southwest Minnesota and northwest Iowa has dissipated, allowing the Dense Fog Advisory to be cancelled. $$ Rogers | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||