559
CDUS43 KDMX 222234
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
534 PM CDT MON SEP 22 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 22 2025
VALID TODAY AS OF 0520 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 85 357 PM 94 1937 75 10 71
MINIMUM 62 525 AM 26 1974 50 12 48
AVERAGE 74 62 12 60
PRECIPITATION (IN)
TODAY 0.00 3.21 2016 0.10 -0.10 0.00
MONTH TO DATE 0.58 2.35 -1.77 0.44
SINCE SEP 1 0.58 2.35 -1.77 0.44
SINCE JAN 1 31.24 29.45 1.79 34.09
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 5 -5 5
MONTH TO DATE 51 59 -8 21
SINCE SEP 1 51 59 -8 21
SINCE JUL 1 66 72 -6 27
COOLING
TODAY 9 2 7 0
MONTH TO DATE 104 83 21 126
SINCE SEP 1 104 83 21 126
SINCE JAN 1 911 889 22 948
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 45 400 PM
AVERAGE 73
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2017
MINIMUM TEMPERATURE (F) 50 28 1983
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 657 AM CDT SUNSET 706 PM CDT
SEPTEMBER 23 2025.....SUNRISE 658 AM CDT SUNSET 704 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page