933
CDUS45 KTFX 182240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE AUG 18 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 18 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 87 1243 PM 101 1964 83 4 90
MINIMUM 53 531 AM 40 1987 50 3 48
AVERAGE 70 66 4 69
PRECIPITATION (IN)
TODAY 0.00 1.58 1990 0.04 -0.04 T
MONTH TO DATE 1.18 0.65 0.53 0.42
SINCE OCT 1 15.54 12.86 2.68 10.94
SINCE JAN 1 13.70 10.58 3.12 9.86
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 37 24 13 9
SINCE JUN 1 275 265 10 182
SINCE JUL 1 47 72 -25 39
COOLING
TODAY 5 4 1 4
MONTH TO DATE 51 88 -37 78
SINCE JUN 1 290 248 42 241
SINCE JAN 1 310 251 59 255
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 18 100 PM
AVERAGE 54
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 2025
MINIMUM TEMPERATURE (F) 50 40 1913
1973
2005
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 626 AM MDT SUNSET 832 PM MDT
AUGUST 19 2026........SUNRISE 627 AM MDT SUNSET 830 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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