471  
CDUS45 KBYZ 262234  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
434 PM MDT FRI SEP 26 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 26 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 78 259 PM 93 2015 69 9 87  
MINIMUM 55 336 AM 25 1972 45 10 57  
AVERAGE 67 57 10 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1941 0.05 -0.05 0.00  
MONTH TO DATE 0.90 1.17 -0.27 1.72  
SINCE OCT 1 15.66 14.12 1.54 13.05  
SINCE JAN 1 14.36 11.58 2.78 10.66  
 
SNOWFALL (IN)  
TODAY MM 1.1 1984 0.0 MM 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 0  
MONTH TO DATE 45 129 -84 43  
SINCE SEP 1 45 129 -84 43  
SINCE JUL 1 61 165 -104 57  
 
COOLING  
TODAY 2 1 1 7  
MONTH TO DATE 65 59 6 104  
SINCE SEP 1 65 59 6 104  
SINCE JAN 1 650 654 -4 771    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 300 AM  
LOWEST 16 300 PM  
AVERAGE 37  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1963  
MINIMUM TEMPERATURE (F) 45 27 1951  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2025.....SUNRISE 707 AM MDT SUNSET 703 PM MDT  
SEPTEMBER 27 2025.....SUNRISE 708 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.  
 
 
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