376 SXUS73 KFSD 042321 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 520 PM CST FRI FEB 04 2005 ...RECORD HIGH TEMPERATURE SET AT SIOUX CITY... A RECORD HIGH TEMPERATURE OF 66 DEGREES WAS SET AT SIOUX CITY TODAY. THIS BREAKS THE OLD RECORD OF 60 SET IN 1890. $$