SXUS73 KFSD 241050 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 550 AM CDT SAT JUN 24 2017 ...RECORD LOW MINIMUM TEMPERATURE SET AT SIOUX FALLS SD... AT 546 AM CDT...THE TEMPERATURE AT JOE FOSS FIELD IN SIOUX FALLS DROPPED TO 44 DEGREES. THIS ESTABLISHES A NEW RECORD LOW TEMPERATURE FOR JUNE 24. THE PREVIOUS LOW MINIMUM TEMPERATURE ON RECORD WAS 45 DEGREES SET IN 1958. $$ CHAPMAN