Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
403 FLUS43 KFSD 230926 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 426 AM CDT Sun Aug 23 2026 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-050-052>071-240930- Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-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-Bon Homme-Yankton- Union- 426 AM CDT Sun Aug 23 2026 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. Showers and a few thunderstorms focused in south-central South Dakota today, will expand east tonight, mainly across portions of southeast South Dakota into northwest Iowa. While confidence in details is low, there is a Level 1 of 5 risk for severe storms west of I-29 tonight with locally heavy rain also possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Isolated to scattered storms are possible Monday evening, mainly over portions of central and eastern South Dakota into western Minnesota. An isolated strong to severe storm will be possible, with large hail and damaging winds the primary threats. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$