558
CDUS45 KTFX 290745
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
145 AM MDT TUE SEP 29 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 28 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
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 321 PM 91 2022 66 7 70
MINIMUM 44 751 AM 25 1984 39 5 43
1985
AVERAGE 59 53 6 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.99 1954 0.05 -0.05 0.00
MONTH TO DATE 0.96 1.25 -0.29 0.28
SINCE OCT 1 16.76 14.68 2.08 11.41
SINCE JAN 1 14.92 12.40 2.52 10.33
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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 13 -7 8
MONTH TO DATE 176 231 -55 67
SINCE SEP 1 176 231 -55 67
SINCE JUL 1 238 345 -107 110
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 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 800 AM
LOWEST 19 500 PM
AVERAGE 45
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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 2026.....SUNRISE 722 AM MDT SUNSET 709 PM MDT
SEPTEMBER 30 2026.....SUNRISE 723 AM MDT SUNSET 707 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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