714  
CDUS45 KMSO 180737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT MON AUG 18 2025  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 17 2025
 
 
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)  
YESTERDAY  
MAXIMUM 72 1143 AM 93 1919 80 -8 84  
2023  
MINIMUM 48 205 AM 30 1946 44 4 41  
AVERAGE 60 62 -2 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.44 1926 0.04 0.05 0.00  
MONTH TO DATE 0.46 0.71 -0.25 0.77  
SINCE JAN 1 7.81 9.20 -1.39 5.89  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 4 1 2  
MONTH TO DATE 61 45 16 43  
SINCE JUN 1 372 426 -54 357  
SINCE JUL 1 119 136 -17 113  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 23 -15 21  
SINCE JUN 1 46 77 -31 116  
SINCE JAN 1 46 77 -31 116    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1100 PM  
LOWEST 42 1100 AM  
AVERAGE 66  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1977  
MINIMUM TEMPERATURE (F) 44 31 1995  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 634 AM MDT SUNSET 833 PM MDT  
AUGUST 19 2025........SUNRISE 635 AM MDT SUNSET 831 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab ID Page Main Text Page