CDUS45 KTFX 182240
CLIGTF

CLIMATE REPORT 
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON MAY 18 2026

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         51   1211 PM  90    2006  66    -15       53       
  MINIMUM         30    213 AM  27    1903  39     -9       42       
                                      1977                           
  AVERAGE         41                        52    -11       48     

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.63 1959   0.09  -0.09     0.41     
  MONTH TO DATE    0.72                      1.16  -0.44     2.28     
  SINCE OCT 1      6.44                      6.99  -0.55     7.04     
  SINCE JAN 1      4.60                      4.71  -0.11     5.96     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           24                        13     11       17        
  MONTH TO DATE  227                       280    -53      212        
  SINCE MAR 1   1663                      1916   -253     1612        
  SINCE JUL 1   5906                      7386  -1480     6911        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    2                         0      2        2        
  SINCE MAR 1      3                         0      3        2        
  SINCE JAN 1      3                         0      3        2        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     6.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM                                      
 LOWEST     39           200 PM                                      
 AVERAGE    70                                                        

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   66        94      1919                      
 MINIMUM TEMPERATURE (F)   40        30      1918                      
                                             1931                     
                                             1997                     


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   545 AM MDT   SUNSET   900 PM MDT     
MAY 19 2026...........SUNRISE   544 AM MDT   SUNSET   901 PM MDT     


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




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