387
CDUS43 KDMX 180632
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT TUE AUG 18 2026
...............................
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST
VALUE (LST) VALUE FROM YEAR
NORMAL
...................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 448 PM 81 -1 93
MINIMUM 58 551 AM 60 -2 71
AVERAGE 69 70 -1 82
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 -0.13
MONTH TO DATE 2.88 2.10 0.78
SINCE JAN 1 30.03 22.58 7.45
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 14 33 -19 9
SINCE JUL 1 0 7 -7 1
COOLING
YESTERDAY 4 6 -2 17
MONTH TO DATE 132 112 20 132
SINCE JUN 1 633 525 108 659
SINCE JAN 1 717 579 138 684
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 54 300 PM
AVERAGE 77
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THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 MM MM
MINIMUM TEMPERATURE (F) 59 MM MM
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 623 AM CDT SUNSET 808 PM CDT
AUGUST 19 2026........SUNRISE 624 AM CDT SUNSET 806 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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