SXUS73 KFSD 082327 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 627 PM CDT TUE SEP 8 2020 ...RECORD LOW MAXIMUM TEMPERATURE TIED AT SIOUX FALLS SD... THE HIGH TEMPERATURE OF ONLY 49 DEGREES AT 258 PM TODAY MATCHED THE RECORD FOR THE COOLEST HIGH TEMPERATURE ON SEPTEMBER 8TH. THIS RECORD WAS ORIGINALLY SET WAY BACK IN 1929. $$ TRM