SXUS73 KDMX 092238 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 538 PM CDT MON SEP 09 2013 ...RECORD HIGH TEMPERATURE SET AT WATERLOO... A RECORD HIGH TEMPERATURE OF 99 DEGREES WAS SET AT WATERLOO THIS AFTERNOON. THIS BREAKS THE OLD RECORD OF 98 SET IN 1955. $$