440
CDUS45 KTFX 300802
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
202 AM MDT WED SEP 30 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 29 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 69 418 PM 91 1967 66 3 87
MINIMUM 50 1250 AM 21 1985 39 11 43
AVERAGE 60 52 8 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.60 2019 0.04 -0.04 0.00
MONTH TO DATE 0.96 1.29 -0.33 0.28
SINCE OCT 1 16.76 14.72 2.04 11.41
SINCE JAN 1 14.92 12.44 2.48 10.33
SNOWFALL (IN)
YESTERDAY 0.0 9.6 2019 0.0 0.0 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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 13 -8 0
MONTH TO DATE 181 244 -63 67
SINCE SEP 1 181 244 -63 67
SINCE JUL 1 243 358 -115 110
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 14 24 -10 34
SINCE SEP 1 14 24 -10 34
SINCE JAN 1 384 307 77 333
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WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 21.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 900 PM
LOWEST 29 1200 PM
AVERAGE 38
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THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1992
MINIMUM TEMPERATURE (F) 39 12 2019
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 723 AM MDT SUNSET 707 PM MDT
OCTOBER 1 2026.......SUNRISE 725 AM MDT SUNSET 705 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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