179  
CDUS45 KTFX 300732  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT TUE SEP 30 2025  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 29 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1929 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 140 PM 86 1963 64 15 83  
MINIMUM 48 652 AM 11 1985 35 13 46  
AVERAGE 64 49 15 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 2007 0.03 -0.03 0.00  
MONTH TO DATE 0.12 0.88 -0.76 0.42  
SINCE OCT 1 4.08 9.80 -5.72 3.75  
SINCE JAN 1 3.80 8.45 -4.65 3.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 16 -15 0  
MONTH TO DATE 137 301 -164 151  
SINCE SEP 1 137 301 -164 151  
SINCE JUL 1 209 456 -247 278  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 0 18 7  
SINCE SEP 1 18 0 18 7  
SINCE JAN 1 136 111 25 189    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1000 PM  
LOWEST 25 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1963  
2011  
MINIMUM TEMPERATURE (F) 35 15 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 728 AM MDT SUNSET 712 PM MDT  
OCTOBER 1 2025.......SUNRISE 729 AM MDT SUNSET 710 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