721  
CDUS45 KMSO 212230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT THU AUG 21 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 253 PM 92 2009 79 1 77  
MINIMUM 46 558 AM 29 1966 43 3 43  
AVERAGE 63 61 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1933 0.03 -0.03 0.00  
MONTH TO DATE 0.48 0.87 -0.39 0.83  
SINCE JAN 1 7.83 9.36 -1.53 5.95  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 5 -3 5  
MONTH TO DATE 64 63 1 48  
SINCE JUN 1 375 444 -69 362  
SINCE JUL 1 122 154 -32 118  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 16 25 -9 30  
SINCE JUN 1 54 79 -25 125  
SINCE JAN 1 54 79 -25 125    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 3.9  
 
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 82 600 AM  
LOWEST 21 300 PM  
AVERAGE 52  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1976  
MINIMUM TEMPERATURE (F) 43 32 1988  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 638 AM MDT SUNSET 828 PM MDT  
AUGUST 22 2025........SUNRISE 639 AM MDT SUNSET 826 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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