NWUS53 KFSD 182021 LSRFSD Preliminary Local Storm Report National Weather Service Sioux Falls SD 321 PM CDT Mon May 18 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0656 PM Hail 2 NW Okabena 43.76N 95.34W 05/17/2026 E1.00 Inch Jackson MN Trained Spotter In addition to hail up to the size of quarters, winds gusted up about 40 mph and a quick heavy rain occurred. No damage was noticed. && $$ TRM