939  
CDUS45 KBYZ 212230  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MDT MON SEP 21 2026  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 21 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 259 PM 94 1938 73 -6 88  
MINIMUM 55 704 AM 19 1995 45 10 52  
AVERAGE 61 59 2 70  
 
PRECIPITATION (IN)  
TODAY 0.02 0.45 1941 0.04 -0.02 0.00  
MONTH TO DATE 2.30 0.73 1.57 0.70  
SINCE OCT 1 14.13 12.54 1.59 10.83  
SINCE JAN 1 10.73 11.02 -0.29 9.76  
 
DEGREE DAYS  
HEATING  
TODAY 4 7 -3 0  
MONTH TO DATE 52 94 -42 39  
SINCE SEP 1 52 94 -42 39  
SINCE JUL 1 63 128 -65 52  
 
COOLING  
TODAY 0 1 -1 5  
MONTH TO DATE 77 57 20 69  
SINCE SEP 1 77 57 20 69  
SINCE JAN 1 942 720 222 778    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 61 300 PM  
AVERAGE 81  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 1938  
MINIMUM TEMPERATURE (F) 45 27 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 649 AM MDT SUNSET 703 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 651 AM MDT SUNSET 701 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