805  
CDUS45 KTFX 200845  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
145 AM MST SAT DEC 20 2025  
   
...............................  
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR DECEMBER 19 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 57R 1240 PM 55 2004 31 26 48  
MINIMUM 16 1159 PM -25 1949 9 7 25  
AVERAGE 37 20 17 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 0.22 1951 0.01 0.10 0.00  
MONTH TO DATE 0.34 0.28 0.06 0.08  
SINCE OCT 1 2.74 2.12 0.62 1.70  
SINCE JAN 1 12.12 13.27 -1.15 14.56  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE 2.0  
SINCE DEC 1 2.0  
SINCE JUL 1 2.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 45 -17 28  
MONTH TO DATE 519 829 -310 630  
SINCE DEC 1 519 829 -310 630  
SINCE JUL 1 2159 2931 -772 2318  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 259 233 26 329    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 15.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 PM  
LOWEST 35 1200 PM  
AVERAGE 68  
   
......................................................  
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 54 1941  
MINIMUM TEMPERATURE (F) 9 -36 1983  
 
SUNRISE AND SUNSET  
DECEMBER 20 2025......SUNRISE 802 AM MST SUNSET 443 PM MST  
DECEMBER 21 2025......SUNRISE 803 AM MST SUNSET 443 PM MST  
 
- 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