SXUS73 KFSD 201417 RRA RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 817 AM CST FRI JAN 20 2017 ...RECORD HIGH MINIMUM TEMPERATURE SET AT SIOUX FALLS SD... THE LOW TEMPERATURE YESTERDAY ONLY FELL TO 35 DEGREES, WHICH IS THE WARMEST LOW TEMPERATURE FOR JANUARY 19TH ON RECORD. THE PREVIOUS RECORD FOR THE DATE WAS 33 DEGREES...SET IN 1908 AND 1921. $$