812
CDUS43 KLOT 172232
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST WED DEC 17 2025
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 39 2:13 AM 50 1941 34 5 39
1977
2006
MINIMUM 28 8:17 AM -12 1945 20 8 32
AVERAGE 34 27 7 36
PRECIPITATION (IN)
TODAY 0.00 0.80 1921 0.06 -0.06 T
MONTH TO DATE 0.52 1.14 -0.62 0.46
SINCE DEC 1 0.52 1.14 -0.62 0.46
SINCE JAN 1 26.48 36.45 -9.97 34.82
SNOWFALL (IN)
TODAY 0.0 3.8 1951 0.4 -0.4 T
MONTH TO DATE 8.0 5.0 3.0 0.3
SINCE DEC 1 8.0 5.0 3.0 0.3
SINCE JUL 1 18.0 7.5 10.5 0.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 31 38 -7 29
MONTH TO DATE 785 608 177 638
SINCE DEC 1 785 608 177 638
SINCE JUL 1 1948 1924 24 1620
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1015 839 176 958
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 8:00 AM
LOWEST 75 12:00 PM
AVERAGE 84
......................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 55 1941
MINIMUM TEMPERATURE (F) 20 -17 1983
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 7:20 AM CST SUNSET 4:26 PM CST
DECEMBER 18 2025......SUNRISE 7:20 AM CST SUNSET 4:26 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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