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CDUS43 KDMX 182230
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
530 PM CDT TUE AUG 18 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 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 85 153 PM 110 1936 83 2 85
MINIMUM 65 1215 AM 43 1977 61 4 70
2012
AVERAGE 75 72 3 78
PRECIPITATION (IN)
TODAY 0.00 1.91 1954 0.14 -0.14 0.51
MONTH TO DATE 2.93 2.45 0.48 3.06
SINCE JUN 1 15.95 12.51 3.44 19.59
SINCE JAN 1 29.11 25.38 3.73 30.63
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 21 -7 6
SINCE JUL 1 0 3 -3 0
COOLING
TODAY 10 7 3 13
MONTH TO DATE 146 144 2 156
SINCE JUN 1 662 653 9 717
SINCE JAN 1 755 725 30 763
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 57 100 PM
AVERAGE 74
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1916
1983
MINIMUM TEMPERATURE (F) 61 42 1963
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 620 AM CDT SUNSET 806 PM CDT
AUGUST 19 2026........SUNRISE 621 AM CDT SUNSET 805 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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