####018000545#### SXUS73 KFSD 182333 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 532 PM CST TUE FEB 18 2025 ...RECORD LOW MINIMUM TEMPERATURE SET AT SIOUX FALLS SD ON FEBRUARY 18... A RECORD LOW TEMPERATURE OF -22 DEGREES WAS SET AT SIOUX FALLS SD TODAY. THIS BREAKS THE PREVIOUS RECORD OF -21 DEGREES SET IN 1903. WITH A HIGH TEMPERATURE SO FAR OF -1 DEGREES...THIS WOULD BREAK THE RECORD LOW MAXIMUM OF 3 DEGREES FROM 1901...AS LONG AS THIS READING IS NOT EXCEEDED BY MIDNIGHT. $$ CHAPMAN