209  
CDUS45 KTFX 292240  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON SEP 29 2025  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 29 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 259 PM 91 1967 66 20 83  
MINIMUM 43 436 AM 21 1985 39 4 42  
AVERAGE 65 52 13 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 2019 0.04 -0.04 0.00  
MONTH TO DATE 0.28 1.29 -1.01 1.80  
SINCE OCT 1 11.41 14.72 -3.31 14.85  
SINCE JAN 1 10.33 12.44 -2.11 12.75  
 
DEGREE DAYS  
HEATING  
TODAY 0 13 -13 2  
MONTH TO DATE 67 244 -177 106  
SINCE SEP 1 67 244 -177 106  
SINCE JUL 1 110 358 -248 157  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 34 24 10 59  
SINCE SEP 1 34 24 10 59  
SINCE JAN 1 333 307 26 383    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 20 300 PM  
AVERAGE 47  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 91 1992  
MINIMUM TEMPERATURE (F) 39 12 2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 722 AM MDT SUNSET 708 PM MDT  
SEPTEMBER 30 2025.....SUNRISE 724 AM MDT SUNSET 706 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