264
CDUS43 KDMX 182228
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CDT FRI SEP 18 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 18 2026
VALID TODAY AS OF 0520 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 249 PM 93 1955 76 1 81
MINIMUM 63 946 AM 28 1929 52 11 60
AVERAGE 70 64 6 71
PRECIPITATION (IN)
TODAY 0.94 1.34 1900 0.10 0.84 T
2018
MONTH TO DATE 3.68 1.94 1.74 0.52
SINCE SEP 1 3.68 1.94 1.74 0.52
SINCE JAN 1 33.46 29.04 4.42 31.18
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 4 -4 0
MONTH TO DATE 16 41 -25 50
SINCE SEP 1 16 41 -25 50
SINCE JUL 1 17 54 -37 65
COOLING
TODAY 5 3 2 6
MONTH TO DATE 122 73 49 87
SINCE SEP 1 122 73 49 87
SINCE JAN 1 950 879 71 894
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 12.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 64 200 PM
AVERAGE 81
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 1925
MINIMUM TEMPERATURE (F) 51 32 1991
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 653 AM CDT SUNSET 714 PM CDT
SEPTEMBER 19 2026.....SUNRISE 654 AM CDT SUNSET 712 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