549 SXUS99 KFSD 071724 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1124 AM CST TUE JAN 7 2003 ...RECORD HIGH TEMPERATURE BROKEN AT SIOUX CITY IOWA... AT 1121 AM CST THE TEMPERATURE AT SIOUX GATEWAY AIRPORT IN SIOUX CITY IOWA HIT 56 DEGREES. THIS BREAKS THE RECORD HIGH FOR THE DATE OF 53 DEGREES SET IN 1990. THE TEMPERATURE WILL CONTINUE TO CLIMB INTO THE 60S THIS AFTERNOON UNDER SUNNY SKIES.