919
CDUS43 KLOT 170633
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU SEP 17 2026
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 16 2026
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)
YESTERDAY
MAXIMUM 72 11:01 AM 94 1931 75 -3 86
MINIMUM 64 11:59 PM 34 1916 53 11 56
AVERAGE 68 64 4 71
PRECIPITATION (IN)
YESTERDAY T 2.20 1936 0.12 -0.12 0.00
MONTH TO DATE 1.08 2.05 -0.97 0.30
SINCE SEP 1 1.08 2.05 -0.97 0.30
SINCE JAN 1 23.31 28.84 -5.53 21.87
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 3 -3 0
MONTH TO DATE 14 30 -16 59
SINCE SEP 1 14 30 -16 59
SINCE JUL 1 14 41 -27 78
COOLING
YESTERDAY 3 3 0 6
MONTH TO DATE 139 63 76 45
SINCE SEP 1 139 63 76 45
SINCE JAN 1 886 802 84 902
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 PM
LOWEST 68 11:00 AM
AVERAGE 83
......................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1927
1988
MINIMUM TEMPERATURE (F) 53 35 1916
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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