667
CDUS43 KLOT 172211
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
511 PM CDT THU SEP 17 2026
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 2:35 PM 93 1927 75 2 86
1988
MINIMUM 63 12:41 AM 35 1916 53 10 55
AVERAGE 70 64 6 71
PRECIPITATION (IN)
TODAY 0.80 2.21 1970 0.12 0.68 0.00
MONTH TO DATE 1.88 2.17 -0.29 0.30
SINCE SEP 1 1.88 2.17 -0.29 0.30
SINCE JAN 1 24.11 28.96 -4.85 21.87
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 14 34 -20 59
SINCE SEP 1 14 34 -20 59
SINCE JUL 1 14 45 -31 78
COOLING
TODAY 5 3 2 6
MONTH TO DATE 144 66 78 51
SINCE SEP 1 144 66 78 51
SINCE JAN 1 891 805 86 908
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 82 2:00 PM
AVERAGE 91
......................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1920
MINIMUM TEMPERATURE (F) 53 32 1916
1929
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:39 AM CDT SUNSET 7:02 PM CDT
SEPTEMBER 18 2026.....SUNRISE 6:40 AM CDT SUNSET 7:01 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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