919
CDUS45 KTFX 100742
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
142 AM MDT MON AUG 10 2026
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 9 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 83 426 PM 102 1936 86 -3 77
MINIMUM 51 447 AM 38 1893 52 -1 55
AVERAGE 67 69 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.72 1950 0.04 -0.04 0.04
MONTH TO DATE 0.01 0.29 -0.28 0.28
SINCE OCT 1 14.37 12.50 1.87 10.80
SINCE JAN 1 12.53 10.22 2.31 9.72
SNOWFALL (IN)
YESTERDAY 0.0 T 2016 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.3 -0.3 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 19 9 10 9
SINCE JUN 1 257 250 7 182
SINCE JUL 1 29 57 -28 39
COOLING
YESTERDAY 2 5 -3 1
MONTH TO DATE 31 50 -19 25
SINCE JUN 1 270 210 60 188
SINCE JAN 1 290 213 77 202
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 500 AM
LOWEST 24 400 PM
AVERAGE 45
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 104 1984
MINIMUM TEMPERATURE (F) 52 40 1924
1939
2004
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 615 AM MDT SUNSET 845 PM MDT
AUGUST 11 2026........SUNRISE 617 AM MDT SUNSET 844 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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