SXUS73 KDMX 210037 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 737 PM CDT FRI MAR 20 2026 ...RECORD HIGH TEMPERATURE TIED AT DES MOINES FOR TODAY FRIDAY MARCH 20... A DAILY RECORD HIGH TEMPERATURE OF 79 DEGREES WAS TIED AT DES MOINES, IOWA FOR TODAY FRIDAY MARCH 20. THIS TIES THE PREVIOUS RECORD OF 79 DEGREES WHICH OCCURRED IN 1938. && 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. $$