508  
CDUS45 KMSO 072230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT SUN SEP 07 2025  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 7 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 81 259 PM 91 2022 73 8 85  
MINIMUM 51 712 AM 18 1992 39 12 41  
AVERAGE 66 56 10 63  
 
PRECIPITATION (IN)  
TODAY T 0.79 1970 0.03 -0.03 0.00  
MONTH TO DATE T 0.27 -0.27 0.10  
SINCE JAN 1 8.28 10.04 -1.76 6.19  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 2  
MONTH TO DATE 19 59 -40 17  
SINCE SEP 1 19 59 -40 17  
SINCE JUL 1 170 274 -104 205  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 3 0 3 2  
SINCE SEP 1 3 0 3 2  
SINCE JAN 1 60 81 -21 127    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 700 AM  
LOWEST 17 300 PM  
AVERAGE 44  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1979  
MINIMUM TEMPERATURE (F) 38 25 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2025.....SUNRISE 659 AM MDT SUNSET 756 PM MDT  
SEPTEMBER 8 2025.....SUNRISE 700 AM MDT SUNSET 754 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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