533
CDUS45 KTFX 170740
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
140 AM MDT SUN AUG 17 2025
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 94 148 PM 101 2013 84 10 85
MINIMUM 52 410 AM 39 2002 51 1 52
AVERAGE 73 67 6 69
PRECIPITATION (IN)
YESTERDAY 0.13 0.87 1985 0.04 0.09 0.00
MONTH TO DATE 0.41 0.57 -0.16 0.44
SINCE OCT 1 10.93 12.78 -1.85 12.83
SINCE JAN 1 9.85 10.50 -0.65 10.73
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.4 -0.4 T
SINCE JUL 1 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 9 20 -11 15
SINCE JUN 1 182 261 -79 225
SINCE JUL 1 39 68 -29 33
COOLING
YESTERDAY 8 4 4 4
MONTH TO DATE 71 80 -9 62
SINCE JUN 1 234 240 -6 277
SINCE JAN 1 248 243 5 277
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 900 PM
LOWEST 16 200 PM
AVERAGE 50
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 2023
MINIMUM TEMPERATURE (F) 50 36 2002
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 625 AM MDT SUNSET 833 PM MDT
AUGUST 18 2025........SUNRISE 626 AM MDT SUNSET 831 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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