341
CDUS45 KTFX 250803
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
203 AM MDT FRI SEP 25 2026
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 24 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 85 339 PM 93 2009 68 17 88
MINIMUM 47 445 AM 10 1926 41 6 46
AVERAGE 66 54 12 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1918 0.04 -0.04 0.00
MONTH TO DATE 0.96 1.07 -0.11 0.28
SINCE OCT 1 16.76 14.50 2.26 11.41
SINCE JAN 1 14.92 12.22 2.70 10.33
SNOWFALL (IN)
YESTERDAY 0.0 4.8 1901 0.0 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 0.0
SINCE SEP 1 0.0 0.4 -0.4 0.0
SINCE JUL 1 0.0 0.7 -0.7 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 0
MONTH TO DATE 135 183 -48 54
SINCE SEP 1 135 183 -48 54
SINCE JUL 1 197 297 -100 97
COOLING
YESTERDAY 1 0 1 2
MONTH TO DATE 9 24 -15 34
SINCE SEP 1 9 24 -15 34
SINCE JAN 1 379 307 72 333
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 500 AM
LOWEST 18 300 PM
AVERAGE 46
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 2001
MINIMUM TEMPERATURE (F) 40 17 1934
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 716 AM MDT SUNSET 717 PM MDT
SEPTEMBER 26 2026.....SUNRISE 718 AM MDT SUNSET 715 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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