549
CDUS45 KTFX 200734
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MDT SAT SEP 20 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 19 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 403 PM 92 2009 70 11 73
MINIMUM 47 602 AM 26 1957 42 5 47
AVERAGE 64 56 8 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.51 1925 0.05 -0.05 T
MONTH TO DATE 0.26 0.86 -0.60 1.80
SINCE OCT 1 11.39 14.29 -2.90 14.85
SINCE JAN 1 10.31 12.01 -1.70 12.75
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1983 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.5 -0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 9 -8 5
MONTH TO DATE 46 131 -85 70
SINCE SEP 1 46 131 -85 70
SINCE JUL 1 89 245 -156 121
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 26 23 3 43
SINCE SEP 1 26 23 3 43
SINCE JAN 1 325 306 19 367
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 600 AM
LOWEST 21 400 PM
AVERAGE 51
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1917
MINIMUM TEMPERATURE (F) 42 24 1995
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 710 AM MDT SUNSET 726 PM MDT
SEPTEMBER 21 2025.....SUNRISE 711 AM MDT SUNSET 724 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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