815
CDUS45 KTFX 160842
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
142 AM MST TUE DEC 16 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 15 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
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63R 105 PM 61 1962 35 28 41
1980
MINIMUM 51 1227 AM -28 1964 16 35 23
AVERAGE 57 26 31 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.55 1921 0.02 -0.02 T
MONTH TO DATE 0.23 0.25 -0.02 T
SINCE OCT 1 1.69 2.00 -0.31 0.60
SINCE JAN 1 12.02 14.48 -2.46 13.35
SNOWFALL (IN)
YESTERDAY 0.0 5.5 1921 0.3 -0.3 T
MONTH TO DATE 2.6 4.3 -1.7 T
SINCE DEC 1 2.6 4.3 -1.7 T
SINCE JUL 1 10.7 19.8 -9.1 2.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 39 -31 33
MONTH TO DATE 464 567 -103 431
SINCE DEC 1 464 567 -103 431
SINCE JUL 1 1892 2507 -615 2000
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 41 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 26.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 1000 PM
LOWEST 25 800 AM
AVERAGE 40
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 63 1980
MINIMUM TEMPERATURE (F) 16 -36 1964
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 807 AM MST SUNSET 435 PM MST
DECEMBER 17 2025......SUNRISE 808 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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