450  
CDUS45 KBYZ 242230  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MDT WED SEP 24 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 24 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 81 259 PM 92 2020 70 11 81  
MINIMUM 53 107 AM 22 1984 46 7 54  
AVERAGE 67 58 9 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.43 1958 0.06 -0.06 0.00  
MONTH TO DATE 0.90 1.07 -0.17 1.72  
SINCE OCT 1 15.66 14.02 1.64 13.05  
SINCE JAN 1 14.36 11.48 2.88 10.66  
 
SNOWFALL (IN)  
TODAY MM 0.7 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 0 8 -8 0  
MONTH TO DATE 45 112 -67 43  
SINCE SEP 1 45 112 -67 43  
SINCE JUL 1 61 148 -87 57  
 
COOLING  
TODAY 2 1 1 3  
MONTH TO DATE 62 57 5 86  
SINCE SEP 1 62 57 5 86  
SINCE JAN 1 647 652 -5 753    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 400 AM  
LOWEST 22 100 PM  
AVERAGE 47  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 95 2015  
MINIMUM TEMPERATURE (F) 46 24 1934  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2025.....SUNRISE 704 AM MDT SUNSET 707 PM MDT  
SEPTEMBER 25 2025.....SUNRISE 705 AM MDT SUNSET 705 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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