114   
CDUS45 KMSO 302230  
CLIMSO  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT TUE SEP 30 2025  
   
...............................  
  
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 30 2025  
  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
  
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2025  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 TODAY                                                                 
  MAXIMUM         69    232 PM  88    1912  66      3       62         
  MINIMUM         52    259 AM  20    1985  38     14       32         
  AVERAGE         61                        52      9       47       
  
PRECIPITATION (IN)                                                      
  TODAY            0.16          0.59 2000   0.03   0.13     0.00       
  MONTH TO DATE    0.36                      0.96  -0.60     1.05       
  SINCE OCT 1     10.70                     14.11  -3.41    11.31       
  SINCE JAN 1      9.13                     10.67  -1.54     9.11       
  
SNOWFALL (IN)                                                                
  TODAY            0.0                                                  
  MONTH TO DATE    0.0                                                  
  SINCE SEP 1      0.0                                                  
  SINCE JUL 1      0.0                                                  
  SNOW DEPTH       0                                                   
  
DEGREE DAYS                                                             
 HEATING                                                                
  TODAY            4                        13     -9       18          
  MONTH TO DATE   70                       239   -169      133          
  SINCE SEP 1     70                       239   -169      133          
  SINCE JUL 1    104                       325   -221      165          
  
 COOLING                                                                
  TODAY            0                         0      0        0          
  MONTH TO DATE   54                        15     39       46          
  SINCE SEP 1     54                        15     39       46          
  SINCE JAN 1    441                       307    134      474           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (320)         
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (310)         
  AVERAGE WIND SPEED     4.7                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.7                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST   100           400 AM                                        
 LOWEST     49           300 PM                                        
 AVERAGE    75                                                          
   
......................................................  
  
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   65        83      1992                        
                                             2010                       
 MINIMUM TEMPERATURE (F)   37        21      1971                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 30 2025.....SUNRISE   734 AM MDT   SUNSET   717 PM MDT       
OCTOBER  1 2025.......SUNRISE   736 AM MDT   SUNSET   715 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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