Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
197 FLUS43 KFSD 190250 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 950 PM CDT Tue Aug 18 2026 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-052>056-059>062-065>067-069>071-200300- 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-Jerauld- Sanborn-Miner-Lake-Moody-Davison-Hanson-McCook-Minnehaha-Hutchinson- Turner-Yankton-Union- 950 PM CDT Tue Aug 18 2026 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, central South Dakota, east central South Dakota and southeast South Dakota. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Isolated severe storms may be possible late Wednesday afternoon and evening and again Thursday afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Thursday afternoon and evening. $$ SDZ050-057-058-063-064-068-200300- Gregory-Brule-Aurora-Charles Mix-Douglas-Bon Homme- 950 PM CDT Tue Aug 18 2026 This Hazardous Weather Outlook is for south central South Dakota and southeast South Dakota. .DAY ONE...Tonight. Showers and thunderstorms will move into the area after 3 am. The severe weather risk remains low, though the strongest storms will be capable of wind gusts to 50 mph and small hail. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Isolated severe storms may be possible late Wednesday afternoon and evening and again Thursday afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed early Wednesday morning. $$