SXUS73 KFSD 300911 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 411 AM CDT TUE JUL 30 2013 ...RECORD LOW MAXIMUM TEMPERATURE SET AT SIOUX CITY IA... THE HIGH TEMPERATURE FOR SIOUX GATEWAY AIRPORT IN SIOUX CITY IA WAS 67 DEGREES ON MONDAY JULY 29. THIS IS THE COLDEST HIGH TEMPERATURE RECORDED ON THE DATE...BREAKING THE PREVIOUS RECORD OF 71 DEGREES IN 1981. $$