FLUS43 KFSD 150939 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 439 AM CDT Thu Oct 15 2026 SDZ050-052-057-058-063-064-160945- Gregory-Jerauld-Brule-Aurora-Charles Mix-Douglas- 439 AM CDT Thu Oct 15 2026 This Hazardous Weather Outlook is for central South Dakota and south central South Dakota. .DAY ONE...Today and tonight. As rain winds down this afternoon, northwest winds will increase with gusts up to 45 to 50 mph expected into tonight. The strongest winds are expected along the Missouri River Valley, where these gusts could persist into early Friday morning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Gusty northwest winds will persist into Friday morning with early day gusts as high as 35 to 45 mph possible. Confidence is increasing in the potential for widespread frost Friday night into Saturday morning. Those with sensitive vegetation outdoors will want to take appropriate precautions. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && NWS Sioux Falls will discontinue the Hazardous Weather Outlook product (HWO) on November 8, 2026. Weather hazards and outlooks will continue to be provided through other standard NWS products, including weather briefing packets, forecast discussions, weather story graphics, the graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at: weather.gov/siouxfalls. $$ MNZ071-072-080-081-097-098-NEZ013-SDZ038>040-053>056-059>062-065>070- 160945- Lincoln-Lyon-Murray-Cottonwood-Pipestone-Rock-Dixon-Beadle-Kingsbury- Brookings-Sanborn-Miner-Lake-Moody-Davison-Hanson-McCook-Minnehaha- Hutchinson-Turner-Bon Homme-Yankton-Clay- 439 AM CDT Thu Oct 15 2026 This Hazardous Weather Outlook is for southwest Minnesota, northeast Nebraska, east central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. As rain winds down through the afternoon, northwest winds will increase, with gusts up to 30 to 40 mph expected into tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Gusty northwest winds will persist into Friday morning with early day gusts as high as 35 to 45 mph possible. Confidence is increasing in the potential for widespread frost Friday night into Saturday morning, with a growing risk that some locations near and east of I-29 could see freezing temperatures. Those with sensitive vegetation outdoors will want to take the appropriate precautions. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && NWS Sioux Falls will discontinue the Hazardous Weather Outlook product (HWO) on November 8, 2026. Weather hazards and outlooks will continue to be provided through other standard NWS products, including weather briefing packets, forecast discussions, weather story graphics, the graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at: weather.gov/siouxfalls. $$ IAZ001>003-012>014-020>022-031-032-MNZ089-090-NEZ014-SDZ071-160945- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Nobles-Jackson-Dakota-Union- 439 AM CDT Thu Oct 15 2026 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska and southeast South Dakota. .DAY ONE...Today and tonight. Periods of rain will continue through midday, with rain slowly ending from west to east through the afternoon. Rainfall totals could locally approach an inch in some areas. Gusty northwest winds of 25 to 35 mph develop behind the rain this afternoon into tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Gusty northwest winds will persist into Friday morning with gusts as high as 30 to 40 mph possible through midday. Confidence is increasing in the potential for widespread frost Friday night into Saturday morning, with a growing risk that some locations near and east of I-29 could see freezing temperatures. Those with sensitive vegetation outdoors will want to take the appropriate precautions. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && NWS Sioux Falls will discontinue the Hazardous Weather Outlook product (HWO) on November 8, 2026. Weather hazards and outlooks will continue to be provided through other standard NWS products, including weather briefing packets, forecast discussions, weather story graphics, the graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at: weather.gov/siouxfalls. $$