044
CDUS45 KTFX 182240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU SEP 18 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 239 PM 93 1981 71 8 61
MINIMUM 46 542 AM 23 1965 42 4 53
AVERAGE 63 57 6 57
PRECIPITATION (IN)
TODAY 0.00 0.82 1947 0.04 -0.04 0.69
MONTH TO DATE 0.26 0.81 -0.55 1.80
SINCE OCT 1 11.39 14.24 -2.85 14.85
SINCE JAN 1 10.31 11.96 -1.65 12.75
DEGREE DAYS
HEATING
TODAY 2 9 -7 8
MONTH TO DATE 45 122 -77 65
SINCE SEP 1 45 122 -77 65
SINCE JUL 1 88 236 -148 116
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 26 22 4 43
SINCE SEP 1 26 22 4 43
SINCE JAN 1 325 305 20 367
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 28 300 PM
AVERAGE 59
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THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 2009
MINIMUM TEMPERATURE (F) 42 26 1957
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 707 AM MDT SUNSET 731 PM MDT
SEPTEMBER 19 2025.....SUNRISE 709 AM MDT SUNSET 728 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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