596
CDUS45 KTFX 172240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT OCT 17 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 73 259 PM 79 1927 56 17 63
MINIMUM 51 303 AM 8 1930 32 19 34
AVERAGE 62 44 18 49
PRECIPITATION (IN)
TODAY 0.00 0.46 1980 0.03 -0.03 T
MONTH TO DATE 2.15 0.65 1.50 0.91
SINCE OCT 1 2.15 0.65 1.50 0.91
SINCE JAN 1 17.11 13.13 3.98 11.24
DEGREE DAYS
HEATING
TODAY 3 21 -18 16
MONTH TO DATE 225 295 -70 290
SINCE SEP 1 421 553 -132 360
SINCE JUL 1 483 667 -184 403
COOLING
TODAY 0 0 0 0
MONTH TO DATE 7 0 7 0
SINCE SEP 1 21 25 -4 34
SINCE JAN 1 391 308 83 333
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WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 21.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 41 400 AM
LOWEST 15 300 PM
AVERAGE 28
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THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 2003
MINIMUM TEMPERATURE (F) 32 6 1905
SUNRISE AND SUNSET
OCTOBER 17 2026.......SUNRISE 747 AM MDT SUNSET 634 PM MDT
OCTOBER 18 2026.......SUNRISE 749 AM MDT SUNSET 632 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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