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CDUS45 KTFX 200746
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
146 AM MDT SUN SEP 20 2026
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 19 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 MM 92 2009 70 -6 81
MINIMUM 52 MM 26 1957 42 10 47
AVERAGE 58 56 2 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.51 1925 0.05 -0.05 0.00
MONTH TO DATE 0.96 0.86 0.10 0.26
SINCE OCT 1 16.76 14.29 2.47 11.39
SINCE JAN 1 14.92 12.01 2.91 10.31
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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 1
MONTH TO DATE 124 131 -7 46
SINCE SEP 1 124 131 -7 46
SINCE JUL 1 186 245 -59 89
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 23 -15 26
SINCE SEP 1 8 23 -15 26
SINCE JAN 1 378 306 72 325
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 800 AM
LOWEST 52 100 PM
AVERAGE 68
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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 2026.....SUNRISE 710 AM MDT SUNSET 727 PM MDT
SEPTEMBER 21 2026.....SUNRISE 711 AM MDT SUNSET 725 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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