226  
CDUS43 KILX 202137  
CLIDEC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LINCOLN IL  
437 PM CDT WED AUG 20 2025  
   
...............................
 
 
   
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 84 1223 PM MM MM 84 0 75  
MINIMUM 66 552 AM MM MM 63 3 55  
AVERAGE 75 73 2 65  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.11 -0.11 0.00  
MONTH TO DATE 1.56 1.75 -0.19 2.11  
SINCE JUN 1 13.64 9.45 4.19 12.46  
SINCE JAN 1 23.94 23.83 0.11 30.68  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 12 -12 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 10 8 2 0  
MONTH TO DATE 267 190 77 186  
SINCE JUN 1 1098 765 333 846  
SINCE JAN 1 1183 875 308 981    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 63 1200 PM  
AVERAGE 80  
   
......................................................
 
 
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 612 AM CDT SUNSET 744 PM CDT  
AUGUST 21 2025........SUNRISE 613 AM CDT SUNSET 743 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