143
CDUS43 KDVN 152129
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
429 PM CDT MON SEP 15 2025
...............................
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 15 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 91 151 PM MM MM 78 13 88
MINIMUM 70 619 AM MM MM 55 15 64
AVERAGE 81 66 15 76
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.04 1.70 -1.66 0.00
SINCE SEP 1 0.04 1.70 -1.66 0.00
SINCE JAN 1 21.55 27.54 -5.99 31.87
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 37 20 17 16
SINCE SEP 1 37 20 17 16
SINCE JUL 1 48 26 22 21
COOLING
TODAY 16 4 12 11
MONTH TO DATE 79 73 6 49
SINCE SEP 1 79 73 6 49
SINCE JAN 1 1091 992 99 973
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 49 200 PM
AVERAGE 68
......................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 647 AM CDT SUNSET 715 PM CDT
SEPTEMBER 16 2025.....SUNRISE 648 AM CDT SUNSET 713 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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