394
CDUS45 KTFX 160735
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT WED SEP 16 2026
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..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 15 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 68 223 PM 95 2000 72 -4 75
MINIMUM 41 419 AM 29 1918 43 -2 50
1965
1982
AVERAGE 55 58 -3 63
PRECIPITATION (IN)
YESTERDAY T 1.10 2017 0.04 -0.04 0.20
MONTH TO DATE 0.96 0.68 0.28 0.26
SINCE OCT 1 16.76 14.11 2.65 11.39
SINCE JAN 1 14.92 11.83 3.09 10.31
SNOWFALL (IN)
YESTERDAY 0.0 2.4 1965 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 8 2 2
MONTH TO DATE 91 96 -5 35
SINCE SEP 1 91 96 -5 35
SINCE JUL 1 153 210 -57 78
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 19 -11 26
SINCE SEP 1 8 19 -11 26
SINCE JAN 1 378 302 76 325
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 41 200 PM
AVERAGE 67
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2009
MINIMUM TEMPERATURE (F) 43 27 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 704 AM MDT SUNSET 735 PM MDT
SEPTEMBER 17 2026.....SUNRISE 706 AM MDT SUNSET 733 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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