482  
CDUS43 KLOT 020636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE DEC 02 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 1 2025
 
 
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)  
YESTERDAY  
MAXIMUM 25 1:42 PM 62 1970 40 -15 26  
MINIMUM 8 1:54 AM -3 1966 25 -17 11  
AVERAGE 17 32 -15 19  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.46 1985 0.07 0.04 0.00  
MONTH TO DATE 0.11 0.07 0.04 0.00  
SINCE DEC 1 0.11 0.07 0.04 0.00  
SINCE JAN 1 26.07 35.38 -9.31 34.36  
 
SNOWFALL (IN)  
YESTERDAY 1.3 10.7 2006 0.2 1.1 0.0  
MONTH TO DATE 1.3 0.2 1.1 0.0  
SINCE DEC 1 1.3 0.2 1.1 0.0  
SINCE JUL 1 11.3 2.7 8.6 0.6  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 33 15 46  
MONTH TO DATE 48 33 15 46  
SINCE DEC 1 48 33 15 46  
SINCE JUL 1 1211 1349 -138 1028  
 
COOLING  
YESTERDAY 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 6 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 77 12:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 1982  
2012  
MINIMUM TEMPERATURE (F) 24 -4 1942  
1976  
 
SUNRISE AND SUNSET  
DECEMBER 2 2025......SUNRISE 7:07 AM CST SUNSET 4:25 PM CST  
DECEMBER 3 2025......SUNRISE 7:08 AM CST SUNSET 4:25 PM CST  
 
- 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.

The Nexlab IL Page
The Nexlab IN Page Main Text Page