Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
423 FLUS43 KFSD 202111 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 411 PM CDT Sat Sep 20 2025 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-050-052>071-212115- 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- 411 PM CDT Sat Sep 20 2025 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. Patchy fog may again develop tonight, which could reduce visibility below one mile. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Isolated to scattered thunderstorms are possible Sunday evening and night. A Level 1 of 5 risk for severe storms is in place for areas roughly along and east of a line from Tyndall to Flandreau South Dakota, to Marshall Minnesota. This includes northwest Iowa, most of southwest Minnesota, far southeast South Dakota, and far northeast Nebraska. The primary threat would be hail as large as half dollars (1.25 inches). Additional thunderstorm chances will linger into Monday evening. At this time, severe weather risks are low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$