SXUS73 KFSD 300006 RERMHE RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 0706 PM CDT SUN SEP 29 2024 ...RECORD HIGH TEMPERATURE TIED AT MITCHELL SD... THE RECORD HIGH TEMPERATURE OF 92 DEGREES WAS TIED TODAY AT THE MITCHELL MUNICIPAL AIRPORT. THIS TIES THE OLD RECORD OF 92 DEGREES WHICH WAS ORIGINALLY SET IN 1897. $$