450
CDUS43 KDMX 212328
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CST SUN DEC 21 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 21 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 31 423 PM 56 1941 32 -1 27
MINIMUM 8 706 AM -27 1963 15 -7 5
AVERAGE 20 24 -4 16
PRECIPITATION (IN)
TODAY 0.00 0.83 1984 0.05 -0.05 0.00
MONTH TO DATE 0.40 1.02 -0.62 0.54
SINCE DEC 1 0.40 1.02 -0.62 0.54
SINCE JAN 1 35.28 35.87 -0.59 40.04
SNOWFALL (IN)
TODAY 0.0 6.0 1914 0.3 -0.3 0.0
MONTH TO DATE 4.1 6.5 -2.4 2.4
SINCE DEC 1 4.1 6.5 -2.4 2.4
SINCE JUL 1 18.6 9.9 8.7 2.6
SNOW DEPTH 2
DEGREE DAYS
HEATING
TODAY 45 41 4 49
MONTH TO DATE 1008 800 208 822
SINCE DEC 1 1008 800 208 822
SINCE JUL 1 2181 2178 3 1844
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 985 916 69 996
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 500 AM
LOWEST 60 1100 AM
AVERAGE 72
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THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 55 1941
MINIMUM TEMPERATURE (F) 15 -23 1983
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 736 AM CST SUNSET 440 PM CST
DECEMBER 22 2025......SUNRISE 737 AM CST SUNSET 440 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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