813
CDUS43 KDMX 212228
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CDT THU MAY 21 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 21 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 59 302 PM 93 1934 75 -16 55
MINIMUM 50 757 AM 33 1931 52 -2 48
AVERAGE 55 64 -9 52
PRECIPITATION (IN)
TODAY 0.00 2.79 2024 0.15 -0.15 0.18
MONTH TO DATE 1.99 2.99 -1.00 2.25
SINCE MAR 1 9.99 9.01 0.98 10.38
SINCE JAN 1 12.39 11.25 1.14 10.92
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE MAR 1 2.1 6.4 -4.3 4.2
SINCE JUL 1 33.6 39.1 -5.5 17.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 4 6 13
MONTH TO DATE 188 144 44 109
SINCE MAR 1 1294 1498 -204 1198
SINCE JUL 1 6353 6668 -315 5943
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 29 30 -1 33
SINCE MAR 1 41 38 3 42
SINCE JAN 1 41 38 3 42
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 11.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1200 AM
LOWEST 52 100 PM
AVERAGE 68
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 101 1925
MINIMUM TEMPERATURE (F) 53 32 1963
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 542 AM CDT SUNSET 831 PM CDT
MAY 22 2026...........SUNRISE 541 AM CDT SUNSET 832 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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