CDUS45 KMSO 200744
CLIMSO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
144 AM MDT WED MAY 20 2026

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

...THE MISSOULA MT CLIMATE SUMMARY FOR MAY 19 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         57   1214 PM  91    2002  67    -10       56       
  MINIMUM         32    427 AM  27    1974  41     -9       32       
  AVERAGE         45                        54     -9       44     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.12          1.49 1902   0.06   0.06      T       
  MONTH TO DATE    0.23                      0.92  -0.69     0.90     
  SINCE OCT 1     10.48                      8.48   2.00     6.93     
  SINCE JAN 1      5.27                      5.04   0.23     5.36     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0                                                
  MONTH TO DATE    T                                                  
  SINCE MAR 1      6.5                                                
  SINCE JUL 1     20.0                                                
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       20                        11      9       21        
  MONTH TO DATE  223                       261    -38      223        
  SINCE MAR 1   1561                      1742   -181     1524        
  SINCE JUL 1   5904                      7214  -1310     6533        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED     2.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1000 PM                                      
 LOWEST     48          1100 AM                                      
 AVERAGE    69..........................................................


THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        88      1958                      
                                             2023                     
 MINIMUM TEMPERATURE (F)   41        28      1989                      


SUNRISE AND SUNSET                                                    
MAY 20 2026...........SUNRISE   555 AM MDT   SUNSET   911 PM MDT     
MAY 21 2026...........SUNRISE   554 AM MDT   SUNSET   912 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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