609  
CDUS45 KMSO 190737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT MON OCT 19 2026  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR OCTOBER 18 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 65 359 PM 75 1936 54 11 52  
1973  
MINIMUM 37 604 AM 12 1905 32 5 27  
AVERAGE 51 43 8 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 1934 0.04 -0.04 0.00  
MONTH TO DATE 0.41 0.63 -0.22 0.59  
SINCE OCT 1 0.41 0.63 -0.22 0.59  
SINCE JAN 1 12.17 11.30 0.87 9.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 22 -8 25  
MONTH TO DATE 268 324 -56 312  
SINCE SEP 1 497 564 -67 384  
SINCE JUL 1 524 650 -126 418  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 2 15 -13 54  
SINCE JAN 1 390 307 83 441    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 1.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 700 AM  
LOWEST 40 400 PM  
AVERAGE 65  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 74 2017  
2023  
MINIMUM TEMPERATURE (F) 31 15 1969  
 
SUNRISE AND SUNSET  
OCTOBER 19 2026.......SUNRISE 800 AM MDT SUNSET 642 PM MDT  
OCTOBER 20 2026.......SUNRISE 802 AM MDT SUNSET 640 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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