Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 172139
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT FRI OCT 17 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 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 80 12:57 PM 87 1938 62 18 66
1947
1950
MINIMUM 57 3:48 AM 24 1952 41 16 27
1992
AVERAGE 69 52 17 47
PRECIPITATION (IN)
TODAY T 2.01 1998 0.08 -0.08 0.00
MONTH TO DATE 0.36 1.46 -1.10 T
SINCE SEP 1 1.41 5.08 -3.67 2.05
SINCE JAN 1 22.98 31.87 -8.89 31.53
SNOWFALL (IN)
TODAY 0.0 T 1921 0.0 0.0 0.0
2022
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 14 -14 18
MONTH TO DATE 79 181 -102 147
SINCE SEP 1 138 288 -150 184
SINCE JUL 1 157 299 -142 193
COOLING
TODAY 4 0 4 0
MONTH TO DATE 46 8 38 2
SINCE SEP 1 157 97 60 108
SINCE JAN 1 1014 836 178 943
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 7:00 AM
LOWEST 47 1:00 PM
AVERAGE 66
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 86 1950
1953
MINIMUM TEMPERATURE (F) 41 19 1952
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:12 AM CDT SUNSET 6:11 PM CDT
OCTOBER 18 2025.......SUNRISE 7:13 AM CDT SUNSET 6:09 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$