SXUS73 KDMX 212325 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 625 PM CDT SAT MAR 21 2026 ...RECORD HIGH TEMPERATURE TIED AT DES MOINES FOR MARCH... A MONTHLY RECORD HIGH TEMPERATURE OF 91 DEGREES WAS TIED AT DES MOINES, IOWA FOR MARCH. THIS TIES THE PREVIOUS RECORD OF 91 DEGREES WHICH OCCURRED IN 1986. && WEATHER RECORDS FOR THE DES MOINES AREA HAVE BEEN TAKEN FROM TWO GENERAL LOCATIONS. INITIAL RECORDS WERE STARTED AT THE POLK COUNTY COURTHOUSE. ON SEPTEMBER 1, 1939, OBSERVATIONS MOVED TO THE DES MOINES INTERNATIONAL AIRPORT AND HAVE REMAINED THERE UNTIL PRESENT. TEMPERATURE AND PRECIPITATION RECORDS DATE BACK TO AUGUST 1, 1878 WITH SNOWFALL DATING BACK TO DECEMBER 1, 1884. $$