548  
CDUS43 KLOT 100634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN AUG 10 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 9 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 90 1:58 PM 100 1934 83 7 73  
1936  
MINIMUM 73 5:43 AM 43 1927 63 10 54  
AVERAGE 82 73 9 64  
 
PRECIPITATION (IN)  
YESTERDAY T 2.52 2021 0.13 -0.13 0.00  
MONTH TO DATE T 1.16 -1.16 0.14  
SINCE JUN 1 9.87 10.20 -0.33 12.40  
SINCE JAN 1 18.27 23.76 -5.49 27.40  
 
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 JUN 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 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 9 30 -21 9  
SINCE JUL 1 0 3 -3 3  
 
COOLING  
YESTERDAY 17 8 9 0  
MONTH TO DATE 73 72 1 82  
SINCE JUN 1 691 528 163 614  
SINCE JAN 1 729 589 140 682    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 62 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1913  
1944  
MINIMUM TEMPERATURE (F) 63 48 1917  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 5:59 AM CDT SUNSET 8:04 PM CDT  
AUGUST 11 2025........SUNRISE 6:00 AM CDT SUNSET 8:02 PM CDT  
 
- 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