SXUS73 KFSD 171052 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 550 AM CDT FRI AUG 17 2012 ...RECORD LOW TEMPERATURE SET AT SIOUX FALLS SD... A RECORD LOW TEMPERATURE OF 43 DEGREES WAS SET AT SIOUX FALLS SD THIS MORNING. THIS BREAKS THE PREVIOUS RECORD OF 44 SET IN 1943. $$ HEITKAMP SXUS73 KFSD 171300 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 800 AM CDT FRI AUG 17 2012 ...LONG TIME RECORD LOW TEMPERATURE BROKEN AT SIOUX FALLS SD... THE FINAL LOW TEMPERATURE THIS MORNING AT SIOUX FALLS JOE FOSS FIELD WAS 40 DEGREES...AT 647 AM CDT. THIS BREAKS THE LONG TIME RECORD OF 43 DEGREES...FIRST SET WAY BACK IN 1898...AND THEN TIED IN 1943. $$