425 SXUS99 KFSD 012012 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 212 PM CST TUE APR 1 2003 ...RECORD HIGH TEMPERATURE TIED AT SIOUX CITY IOWA... AT 211 PM CST THE TEMPERATURE AT SIOUX GATEWAY AIRPORT IN SIOUX CITY IOWA ROSE TO 84 DEGREES. THIS TIES THE RECORD FOR THE DATE SET IN 1956 AND AGAIN IN 1963. $$