CDUS43 KILX 182136
CLIMTO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE LINCOLN IL
436 PM CDT MON MAY 18 2026

...................................

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         76    845 AM  MM      MM  75      1       76   
  MINIMUM         67   1246 PM  MM      MM  55     12       49   
  AVERAGE         72                        65      7       63     

PRECIPITATION (IN)                                                    
  TODAY            0.76         MM      MM   0.12   0.64     0.00     
  MONTH TO DATE    3.30                      2.40   0.90     2.89     
  SINCE MAR 1     16.13                      8.76   7.37    12.18     
  SINCE JAN 1     18.04                     12.61   5.43    13.54     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         4     -4        2        
  MONTH TO DATE  126                        93     33       78        
  SINCE MAR 1    808                      1144   -336      857        
  SINCE JUL 1   4690                      5254   -564     4790        

 COOLING                                                              
  TODAY            7                         3      4        0        
  MONTH TO DATE   21                        35    -14       34        
  SINCE MAR 1     84                        50     34       43        
  SINCE JAN 1     84                        50     34       43        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (170)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (160)       
  AVERAGE WIND SPEED    10.8                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 AM                                      
 LOWEST     66           100 AM                                      
 AVERAGE    82                                                        

..........................................................


THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        MM        MM                      
 MINIMUM TEMPERATURE (F)   55        MM        MM                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   537 AM CDT   SUNSET   803 PM CDT     
MAY 19 2026...........SUNRISE   536 AM CDT   SUNSET   804 PM CDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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