863
CDUS45 KTFX 202340
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST SAT DEC 20 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 20 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 40 225 PM 59 2024 35 5 59
MINIMUM 26 834 AM -28 1990 15 11 40
AVERAGE 33 25 8 50
PRECIPITATION (IN)
TODAY 0.00 0.30 1964 0.01 -0.01 0.00
MONTH TO DATE 0.31 0.33 -0.02 T
SINCE OCT 1 1.77 2.08 -0.31 0.60
SINCE JAN 1 12.10 14.56 -2.46 13.35
DEGREE DAYS
HEATING
TODAY 32 40 -8 15
MONTH TO DATE 606 767 -161 591
SINCE DEC 1 606 767 -161 591
SINCE JUL 1 2034 2707 -673 2160
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 18.7
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 700 AM
LOWEST 31 200 PM
AVERAGE 47
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THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 65 1933
MINIMUM TEMPERATURE (F) 15 -35 1990
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 810 AM MST SUNSET 437 PM MST
DECEMBER 21 2025......SUNRISE 810 AM MST SUNSET 437 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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