FLUS43 KFSD 222342 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 642 PM CDT Sat Aug 22 2026 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-050-052>071-232345- 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- 642 PM CDT Sat Aug 22 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...Tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Rain chances increase through Sunday and Sunday night, with scattered thunderstorms possible. While confidence in details is low, there is a Level 1 of 5 risk for severe storms west of I-29 Sunday night. Locally heavy rain will also be possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Sunday evening into Sunday night. $$