379
CDUS43 KDVN 122128
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
428 PM CDT SAT SEP 12 2026
...............................
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 12 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 259 PM 79 -1 91
MINIMUM 63 256 AM 56 7 59
AVERAGE 71 67 4 75
PRECIPITATION (IN)
TODAY 0.00 0.10 -0.10 0.00
MONTH TO DATE 2.33 1.40 0.93 0.04
SINCE SEP 1 2.33 1.40 0.93 0.04
SINCE JAN 1 32.46 27.24 5.22 21.55
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 14 -14 37
SINCE SEP 1 0 14 -14 37
SINCE JUL 1 0 20 -20 48
COOLING
TODAY 6 4 2 10
MONTH TO DATE 157 61 96 31
SINCE SEP 1 157 61 96 31
SINCE JAN 1 1216 980 236 1043
...................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 73 300 PM
AVERAGE 87
......................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 643 AM CDT SUNSET 721 PM CDT
SEPTEMBER 13 2026.....SUNRISE 645 AM CDT SUNSET 719 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page