561  
CDUS45 KMSO 312240  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
440 PM MDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 31 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 92R 253 PM 92 1956 70 22 68  
1986  
MINIMUM 46 512 AM 30 1920 44 2 32  
1950  
1965  
AVERAGE 69 57 12 50  
 
PRECIPITATION (IN)  
TODAY 0.00 1.60 1908 0.08 -0.08 0.00  
MONTH TO DATE 1.10 1.77 -0.67 2.18  
SINCE OCT 1 7.13 9.33 -2.20 8.34  
SINCE JAN 1 5.56 5.89 -0.33 6.14  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE 0.0  
SINCE MAR 1 0.4  
SINCE JUL 1 39.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 15  
MONTH TO DATE 299 376 -77 413  
SINCE MAR 1 1600 1857 -257 1775  
SINCE JUL 1 6609 7329 -720 6758  
 
COOLING  
TODAY 4 0 4 0  
MONTH TO DATE 10 3 7 0  
SINCE MAR 1 10 3 7 0  
SINCE JAN 1 10 3 7 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 600 AM  
LOWEST 15 300 PM  
AVERAGE 43  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1903  
1986  
MINIMUM TEMPERATURE (F) 44 30 1916  
1917  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 546 AM MDT SUNSET 923 PM MDT  
JUNE 1 2025..........SUNRISE 545 AM MDT SUNSET 924 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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