577
CDUS45 KTFX 230750
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
150 AM MDT TUE SEP 23 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 66 329 PM 91 1938 69 -3 77
MINIMUM 48 951 PM 24 1934 41 7 45
2000
AVERAGE 57 55 2 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.84 1910 0.05 -0.05 0.00
MONTH TO DATE 0.28 0.99 -0.71 1.80
SINCE OCT 1 11.41 14.42 -3.01 14.85
SINCE JAN 1 10.33 12.14 -1.81 12.75
SNOWFALL (IN)
YESTERDAY 0.0 6.0 1934 0.0 0.0 0.0
MONTH TO DATE 0.0 0.3 -0.3 0.0
SINCE SEP 1 0.0 0.3 -0.3 0.0
SINCE JUL 1 0.0 0.6 -0.6 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 8 10 -2 4
MONTH TO DATE 54 161 -107 95
SINCE SEP 1 54 161 -107 95
SINCE JUL 1 97 275 -178 146
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 32 24 8 43
SINCE SEP 1 32 24 8 43
SINCE JAN 1 331 307 24 367
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 1200 AM
LOWEST 36 300 PM
AVERAGE 57
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 93 1966
MINIMUM TEMPERATURE (F) 41 16 2000
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 714 AM MDT SUNSET 720 PM MDT
SEPTEMBER 24 2025.....SUNRISE 715 AM MDT SUNSET 718 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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