171  
CDUS45 KBYZ 042231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT THU SEP 04 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 4 2025
 
 
VALID TODAY AS OF 0400 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 72 1022 AM 100 1950 80 -8 83  
2022  
MINIMUM 61 624 AM 31 1962 52 9 54  
AVERAGE 67 66 1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.54 1987 0.04 -0.04 T  
MONTH TO DATE 0.00 0.16 -0.16 0.02  
SINCE OCT 1 14.76 13.11 1.65 11.35  
SINCE JAN 1 13.46 10.57 2.89 8.96  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 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 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 0 10 -10 0  
SINCE SEP 1 0 10 -10 0  
SINCE JUL 1 16 46 -30 14  
 
COOLING  
TODAY 2 4 -2 4  
MONTH TO DATE 23 16 7 33  
SINCE SEP 1 23 16 7 33  
SINCE JAN 1 608 611 -3 700    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 300 AM  
LOWEST 32 300 PM  
AVERAGE 46  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 102 2020  
MINIMUM TEMPERATURE (F) 52 37 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 639 AM MDT SUNSET 746 PM MDT  
SEPTEMBER 5 2025.....SUNRISE 641 AM MDT SUNSET 744 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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