079
CDUS43 KDMX 182228
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CDT MON MAY 18 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 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 76 336 PM 98 1934 74 2 72
MINIMUM 62 606 AM 32 2002 51 11 47
AVERAGE 69 62 7 60
PRECIPITATION (IN)
TODAY 0.19 1.92 1902 0.15 0.04 0.00
MONTH TO DATE 1.33 2.54 -1.21 0.11
SINCE MAR 1 9.33 8.56 0.77 8.24
SINCE JAN 1 11.73 10.80 0.93 8.78
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 0 5 -5 5
MONTH TO DATE 155 131 24 76
SINCE MAR 1 1261 1485 -224 1165
SINCE JUL 1 6320 6655 -335 5910
COOLING
TODAY 4 2 2 0
MONTH TO DATE 29 23 6 33
SINCE MAR 1 41 31 10 42
SINCE JAN 1 41 31 10 42
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 10.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 62 300 PM
AVERAGE 79
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 98 1934
MINIMUM TEMPERATURE (F) 52 29 1929
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 545 AM CDT SUNSET 828 PM CDT
MAY 19 2026...........SUNRISE 544 AM CDT SUNSET 829 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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