731  
CDUS45 KTFX 250731  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MDT THU SEP 25 2025  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 24 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 403 PM 91 2014 70 13 80  
MINIMUM 43 619 AM 6 1926 42 1 47  
AVERAGE 63 56 7 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1920 0.03 -0.03 0.00  
MONTH TO DATE 0.59 0.79 -0.20 1.23  
SINCE OCT 1 11.97 11.23 0.74 10.57  
SINCE JAN 1 11.21 9.40 1.81 9.05  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1910 0.0 0.0 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 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 9 -7 1  
MONTH TO DATE 58 146 -88 65  
SINCE SEP 1 58 146 -88 65  
SINCE JUL 1 84 209 -125 77  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 36 27 9 64  
SINCE SEP 1 36 27 9 64  
SINCE JAN 1 467 432 35 582    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 18 300 PM  
AVERAGE 46  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 95 2001  
MINIMUM TEMPERATURE (F) 42 17 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2025.....SUNRISE 719 AM MDT SUNSET 719 PM MDT  
SEPTEMBER 26 2025.....SUNRISE 721 AM MDT SUNSET 717 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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