279  
CDUS45 KTFX 212240  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON SEP 21 2026  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 21 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 257 PM 90 1966 71 4 80  
1967  
MINIMUM 45 637 AM 20 1995 43 2 47  
AVERAGE 60 57 3 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.30 1937 0.03 -0.03 0.02  
MONTH TO DATE 1.38 0.70 0.68 0.59  
SINCE OCT 1 13.86 11.14 2.72 11.97  
SINCE JAN 1 11.19 9.31 1.88 11.21  
 
DEGREE DAYS  
HEATING  
TODAY 5 8 -3 1  
MONTH TO DATE 99 119 -20 38  
SINCE SEP 1 99 119 -20 38  
SINCE JUL 1 123 182 -59 64  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 8 27 -19 36  
SINCE SEP 1 8 27 -19 36  
SINCE JAN 1 493 432 61 467    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 34 300 PM  
AVERAGE 66  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 1966  
MINIMUM TEMPERATURE (F) 43 21 1934  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 714 AM MDT SUNSET 727 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 715 AM MDT SUNSET 725 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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