969  
CDUS45 KTFX 192240  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT WED AUG 19 2026  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 19 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 259 PM 100 2025 83 3 100  
MINIMUM 55 218 AM 40 1913 50 5 55  
1973  
2005  
AVERAGE 71 66 5 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.21 1912 0.04 -0.04 T  
MONTH TO DATE 1.18 0.69 0.49 0.42  
SINCE OCT 1 15.54 12.90 2.64 10.94  
SINCE JAN 1 13.70 10.62 3.08 9.86  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 37 26 11 9  
SINCE JUN 1 275 267 8 182  
SINCE JUL 1 47 74 -27 39  
 
COOLING  
TODAY 6 3 3 13  
MONTH TO DATE 57 91 -34 91  
SINCE JUN 1 296 251 45 254  
SINCE JAN 1 316 254 62 268    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 200 AM  
LOWEST 21 200 PM  
AVERAGE 45  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1931  
MINIMUM TEMPERATURE (F) 50 39 1916  
 
SUNRISE AND SUNSET  
AUGUST 19 2026........SUNRISE 627 AM MDT SUNSET 830 PM MDT  
AUGUST 20 2026........SUNRISE 628 AM MDT SUNSET 828 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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