200
CDUS45 KTFX 290749
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
149 AM MDT MON SEP 29 2025
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 28 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 70 415 PM 91 2022 66 4 82
MINIMUM 43 623 AM 25 1984 39 4 40
1985
AVERAGE 57 53 4 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.99 1954 0.05 -0.05 0.00
MONTH TO DATE 0.28 1.25 -0.97 1.80
SINCE OCT 1 11.41 14.68 -3.27 14.85
SINCE JAN 1 10.33 12.40 -2.07 12.75
SNOWFALL (IN)
YESTERDAY 0.0 9.7 2019 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE SEP 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 0.0 1.0 -1.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 13 -5 4
MONTH TO DATE 67 231 -164 104
SINCE SEP 1 67 231 -164 104
SINCE JUL 1 110 345 -235 155
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 34 24 10 59
SINCE SEP 1 34 24 10 59
SINCE JAN 1 333 307 26 383
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 1100 PM
LOWEST 32 300 PM
AVERAGE 50
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 91 1967
MINIMUM TEMPERATURE (F) 39 21 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 722 AM MDT SUNSET 708 PM MDT
SEPTEMBER 30 2025.....SUNRISE 724 AM MDT SUNSET 706 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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