102
CDUS45 KTFX 120731
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI SEP 12 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 11 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 74 515 PM 93 1919 74 0 71
MINIMUM 48 602 AM 29 1921 44 4 42
1989
AVERAGE 61 59 2 57
PRECIPITATION (IN)
YESTERDAY 0.03 1.29 1978 0.04 -0.01 0.58
MONTH TO DATE 0.06 0.51 -0.45 0.63
SINCE OCT 1 11.19 13.94 -2.75 13.68
SINCE JAN 1 10.11 11.66 -1.55 11.58
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1949 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 7 -3 8
MONTH TO DATE 27 65 -38 18
SINCE SEP 1 27 65 -38 18
SINCE JUL 1 70 179 -109 69
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 26 15 11 43
SINCE SEP 1 26 15 11 43
SINCE JAN 1 325 298 27 367
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 38 500 PM
AVERAGE 66
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1919
MINIMUM TEMPERATURE (F) 44 29 1949
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 659 AM MDT SUNSET 743 PM MDT
SEPTEMBER 13 2025.....SUNRISE 701 AM MDT SUNSET 741 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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