881  
CDUS45 KBYZ 190340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT FRI SEP 18 2026  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 18 2026
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 255 PM 92 1937 73 8 78  
1984  
MINIMUM 53 545 AM 28 1971 48 5 48  
AVERAGE 67 61 6 63  
 
PRECIPITATION (IN)  
TODAY T 1.97 1978 0.04 -0.04 0.00  
MONTH TO DATE 1.40 0.76 0.64 0.71  
SINCE OCT 1 13.05 13.71 -0.66 15.47  
SINCE JAN 1 9.17 11.17 -2.00 14.17  
 
SNOWFALL (IN)  
TODAY MM 2.8 1983 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 2  
MONTH TO DATE 43 69 -26 28  
SINCE SEP 1 43 69 -26 28  
SINCE JUL 1 51 105 -54 44  
 
COOLING  
TODAY 2 2 0 0  
MONTH TO DATE 45 50 -5 51  
SINCE SEP 1 45 50 -5 51  
SINCE JAN 1 832 645 187 636    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 800 AM  
LOWEST 29 100 PM  
AVERAGE 48  
 
- 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