SXUS73 KDMX 012235 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 533 PM CDT SAT SEP 1 2018 ...RECORD DAILY MAXIMUM RAINFALL SET AT WATERLOO... A PRELIMINARY RECORD RAINFALL OF 3.18 INCHES WAS SET AT WATERLOO TODAY. THIS BREAKS THE OLD RECORD OF 2.50 SET IN 1931. ANOTHER EVENT REPORT WILL BE SENT IF ADDITIONAL RAIN FALLS LATER THIS EVENING. $$ SMALL