900
CDUS43 KDMX 210635
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
135 AM CDT THU MAY 21 2026
...............................
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR MAY 20 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 61 259 PM 73 -12 65
MINIMUM 41 520 AM 51 -10 51
AVERAGE 51 62 -11 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.16 -0.16
MONTH TO DATE 0.40 3.05 -2.65
SINCE JAN 1 9.46 9.66 -0.20
DEGREE DAYS
HEATING
YESTERDAY 14 5 9 7
MONTH TO DATE 175 164 11 117
SINCE MAR 1 1266 1578 -312 1249
SINCE JUL 1 6243 6927 -684 6029
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 14 19 -5 22
SINCE MAR 1 28 24 4 24
SINCE JAN 1 28 24 4 24
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 46 200 PM
AVERAGE 72
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THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 MM MM
MINIMUM TEMPERATURE (F) 51 MM MM
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 545 AM CDT SUNSET 832 PM CDT
MAY 22 2026...........SUNRISE 545 AM CDT SUNSET 833 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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