CDUS45 KTFX 150833
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MST MON DEC 15 2025
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...THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 14 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 63R 142 PM 60 1924 35 28 51
MINIMUM 41 109 AM -25 1922 16 25 30
2008
AVERAGE 52 26 26 41
PRECIPITATION (IN)
YESTERDAY 0.00 0.77 2015 0.01 -0.01 0.00
MONTH TO DATE 0.23 0.23 0.00 T
SINCE OCT 1 1.69 1.98 -0.29 0.60
SINCE JAN 1 12.02 14.46 -2.44 13.35
SNOWFALL (IN)
YESTERDAY 0.0 8.2 2015 0.3 -0.3 0.0
MONTH TO DATE 2.6 4.0 -1.4 T
SINCE DEC 1 2.6 4.0 -1.4 T
SINCE JUL 1 10.7 19.5 -8.8 2.7
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 13 39 -26 24
MONTH TO DATE 456 528 -72 398
SINCE DEC 1 456 528 -72 398
SINCE JUL 1 1884 2468 -584 1967
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 333 310 23 385
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WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 19.9
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 300 AM
LOWEST 16 200 PM
AVERAGE 31
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 61 1962
1980
MINIMUMTEMPERATURE (F) 16 -28 1964
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 807 AM MST SUNSET 435 PM MST
DECEMBER 16 2025......SUNRISE 807 AM MST SUNSET 435 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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