253  
CDUS45 KTFX 210732  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT MON SEP 21 2026  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 20 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 324 PM 93 1917 70 4 88  
MINIMUM 44 541 AM 24 1995 42 2 45  
AVERAGE 59 56 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1968 0.04 -0.04 0.00  
MONTH TO DATE 0.96 0.90 0.06 0.26  
SINCE OCT 1 16.76 14.33 2.43 11.39  
SINCE JAN 1 14.92 12.05 2.87 10.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.3 1968 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.6 -0.6 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 10 -4 0  
MONTH TO DATE 130 141 -11 46  
SINCE SEP 1 130 141 -11 46  
SINCE JUL 1 192 255 -63 89  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 8 24 -16 28  
SINCE SEP 1 8 24 -16 28  
SINCE JAN 1 378 307 71 327    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 29 400 PM  
AVERAGE 59  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1917  
MINIMUM TEMPERATURE (F) 41 20 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 711 AM MDT SUNSET 725 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 712 AM MDT SUNSET 723 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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