SXUS73 KDMX 232124 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 423 PM CDT MON JUL 23 2012 ...RECORD HIGH TEMPERATURE TIED AT WATERLOO IOWA... THE HIGH TEMPERATURE IN WATERLOO HAS BEEN 103 DEGREES. THIS TIES THE PREVIOUS RECORD HIGH FOR THIS DATE SET BACK IN 1934. $$ BF