396  
CDUS43 KILX 192141  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
441 PM CDT FRI SEP 19 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 212 PM MM MM 78 10 91  
MINIMUM 63 1223 AM MM MM 54 9 56  
AVERAGE 76 66 10 74  
 
PRECIPITATION (IN)  
TODAY 0.02 MM MM 0.09 -0.07 0.00  
MONTH TO DATE 0.07 2.09 -2.02 0.10  
SINCE SEP 1 0.07 2.09 -2.02 0.10  
SINCE JAN 1 24.01 27.20 -3.19 31.26  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 15 23 -8 17  
SINCE SEP 1 15 23 -8 17  
SINCE JUL 1 16 28 -12 20  
 
COOLING  
TODAY 11 4 7 9  
MONTH TO DATE 122 96 26 99  
SINCE SEP 1 122 96 26 99  
SINCE JAN 1 1348 1054 294 1201    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 600 AM  
LOWEST 40 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 MM MM  
MINIMUM TEMPERATURE (F) 53 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 640 AM CDT SUNSET 657 PM CDT  
SEPTEMBER 20 2025.....SUNRISE 641 AM CDT SUNSET 655 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 Main Text Page