SXUS73 KFSD 152234 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 0532 PM CDT MON MAR 15 2021 ...RECORD DAILY MAXIMUM SNOWFALL SET AT SIOUX FALLS SD... A RECORD SNOWFALL OF 4.4 WAS SET AT SIOUX FALLS SD TODAY. THIS BREAKS THE OLD RECORD OF 4.0 SET IN 1983. $$