CDUS43 KLOT 122234

CLIMDW



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

434 PM CST FRI DEC 12 2025



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



...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 12 2025...

VALID TODAY AS OF 0400 PM LOCAL TIME.



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1928 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 TODAY                                                               

  MAXIMUM         32   1:27 PM  62    1991  39     -7       16        

  MINIMUM         20   7:42 AM  -7    1962  26     -6        5        

  AVERAGE         26                        32     -6       11     



PRECIPITATION (IN)                                                    

  TODAY            0.00          1.76 1972   0.06  -0.06     0.00     

  MONTH TO DATE    0.43                      0.76  -0.33      T       

  SINCE DEC 1      0.43                      0.76  -0.33      T       

  SINCE JAN 1     30.12                     33.39  -3.27    35.19     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY           39                        33      6       54        

  MONTH TO DATE  478                       372    106      430        

  SINCE DEC 1    478                       372    106      430        

  SINCE JUL 1   1387                      1456    -69     1136        



 COOLING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1   1410                      1112    298     1384        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (260)       

  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (260)       

  AVERAGE WIND SPEED     4.2                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.6                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  HAZE                                                                





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    84           8:00 AM                                      

 LOWEST     66          12:00 AM                                      

 AVERAGE    75                                                        



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





THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   38        67      1975                      

 MINIMUM TEMPERATURE (F)   26        -3      1958                      

                                             2000                     





SUNRISE AND SUNSET                                                    

DECEMBER 12 2025......SUNRISE   7:09 AM CST   SUNSET   4:20 PM CST     

DECEMBER 13 2025......SUNRISE   7:10 AM CST   SUNSET   4:21 PM CST     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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