846  
CDUS45 KBYZ 240349  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
949 PM MDT TUE SEP 23 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 23 2025  
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 453 PM 91 1966 71 0 76  
1992  
2011  
MINIMUM 44 635 AM 23 1984 46 -2 55  
AVERAGE 58 58 0 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 2007 0.05 -0.05 0.00  
MONTH TO DATE 0.90 1.01 -0.11 1.72  
SINCE OCT 1 15.66 13.96 1.70 13.05  
SINCE JAN 1 14.36 11.42 2.94 10.66  
 
SNOWFALL (IN)  
TODAY MM 6.2 1984 0.0 MM 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 7 8 -1 0  
MONTH TO DATE 45 104 -59 43  
SINCE SEP 1 45 104 -59 43  
SINCE JUL 1 61 140 -79 57  
 
COOLING  
TODAY 0 1 -1 1  
MONTH TO DATE 60 56 4 83  
SINCE SEP 1 60 56 4 83  
SINCE JAN 1 645 651 -6 750    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 38 200 PM  
AVERAGE 66  
 
- 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