SXUS73 KFSD 170624 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 124 AM CDT SUN JUN 17 2018 ...RECORD WARM LOW TEMPERATURE TIED AT SIOUX CITY IA... THE LOW TEMPERATURE IN SIOUX CITY ON SATURDAY WAS 76 DEGREES, WHICH TIES A RECORD FOR THE WARMEST LOW TEMPERATURE ON JUNE 16TH. THE PREVIOUS RECORD OF 76 DEGREES WAS INITIALLY SET IN 1946. $$