618  
CDUS45 KBYZ 232230  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MDT TUE SEP 23 2025  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 23 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 259 PM 98 1992 72 3 77  
MINIMUM 43 519 AM 26 1965 44 -1 51  
AVERAGE 59 58 1 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1941 0.04 -0.04 0.00  
MONTH TO DATE 0.70 0.81 -0.11 0.31  
SINCE OCT 1 10.83 12.62 -1.79 11.21  
SINCE JAN 1 9.76 11.10 -1.34 10.04  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 1  
MONTH TO DATE 49 110 -61 41  
SINCE SEP 1 49 110 -61 41  
SINCE JUL 1 62 144 -82 66  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 69 59 10 87  
SINCE SEP 1 69 59 10 87  
SINCE JAN 1 778 722 56 784    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 34 300 PM  
AVERAGE 60  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 2020  
MINIMUM TEMPERATURE (F) 44 26 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 652 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 24 2025.....SUNRISE 653 AM MDT SUNSET 656 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 WY Page Main Text Page