501  
CDUS45 KTFX 280735  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MDT SUN SEP 28 2025  
   
...............................
 
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR SEPTEMBER 27 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1935 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 414 PM 88 2021 68 10 82  
MINIMUM 32 644 AM 22 1964 36 -4 39  
AVERAGE 55 52 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 1983 0.03 -0.03 0.00  
MONTH TO DATE 1.21 0.89 0.32 2.35  
SINCE OCT 1 11.17 13.32 -2.15 13.80  
SINCE JAN 1 9.38 11.04 -1.66 12.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 13 -3 4  
MONTH TO DATE 126 232 -106 120  
SINCE SEP 1 126 232 -106 120  
SINCE JUL 1 166 338 -172 169  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 15 9 6 26  
SINCE SEP 1 15 9 6 26  
SINCE JAN 1 259 231 28 327    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 200 AM  
LOWEST 18 400 PM  
AVERAGE 50  
   
......................................................
 
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 2010  
MINIMUM TEMPERATURE (F) 36 17 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2025.....SUNRISE 720 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 29 2025.....SUNRISE 721 AM MDT SUNSET 708 PM MDT  
 
- 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 Main Text Page