SXUS73 KUNR 210832 RERRAP RECORD EVENT REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 131 AM MST FRI FEB 21 2025 ...RECORD LOW TEMPERATURE SET AT RAPID CITY AIRPORT SD... A RECORD LOW TEMPERATURE OF -19 DEGREES WAS SET AT RAPID CITY AIRPORT SD YESTERDAY. THIS BREAKS THE OLD RECORD OF -16 DEGREES SET IN 2018. $$