CDUS43 KILX 202131

CLIMTO



CLIMATE REPORT 

NATIONAL WEATHER SERVICE LINCOLN IL

431 PM CDT SUN SEP 20 2026



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



...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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         89    238 PM  MM      MM  78     11       87   

  MINIMUM         73    607 AM  MM      MM  55     18       63   

  AVERAGE         81                        66     15       75     



PRECIPITATION (IN)                                                    

  TODAY            0.00         MM      MM   0.09  -0.09      T       

  MONTH TO DATE    0.08                      1.94  -1.86     0.08     

  SINCE SEP 1      0.08                      1.94  -1.86     0.08     

  SINCE JAN 1     34.24                     27.11   7.13    24.27     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            0                         2     -2        0        

  MONTH TO DATE    0                        23    -23       20        

  SINCE SEP 1      0                        23    -23       20        

  SINCE JUL 1      0                        27    -27       24        



 COOLING                                                              

  TODAY           16                         4     12       10        

  MONTH TO DATE  293                       106    187      117        

  SINCE SEP 1    293                       106    187      117        

  SINCE JAN 1   1313                      1064    249     1158        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)        

  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (50)        

  AVERAGE WIND SPEED     8.1                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.2                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    88           100 AM                                      

 LOWEST     45           200 PM                                      

 AVERAGE    67                                                        



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





THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   77        MM        MM                      

 MINIMUM TEMPERATURE (F)   54        MM        MM                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 20 2026.....SUNRISE   639 AM CDT   SUNSET   653 PM CDT     

SEPTEMBER 21 2026.....SUNRISE   640 AM CDT   SUNSET   652 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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