331
CDUS45 KTFX 172340
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST WED DEC 17 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 17 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 54 613 AM 59 1976 35 19 27
MINIMUM 32 121 PM -27 1924 16 16 16
1983
AVERAGE 43 25 18 22
PRECIPITATION (IN)
TODAY 0.08 0.63 1973 0.01 0.07 0.00
MONTH TO DATE 0.31 0.28 0.03 T
SINCE OCT 1 1.77 2.03 -0.26 0.60
SINCE JAN 1 12.10 14.51 -2.41 13.35
DEGREE DAYS
HEATING
TODAY 22 40 -18 43
MONTH TO DATE 505 647 -142 513
SINCE DEC 1 505 647 -142 513
SINCE JUL 1 1933 2587 -654 2082
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 53 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 71 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 27.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 AM
LOWEST 36 300 AM
AVERAGE 65
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 58 1917
1979
MINIMUM TEMPERATURE (F) 16 -27 1924
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 808 AM MST SUNSET 435 PM MST
DECEMBER 18 2025......SUNRISE 809 AM MST SUNSET 436 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page