255
CDUS45 KTFX 180733
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MDT TUE AUG 18 2026
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 17 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 83 323 PM 101 2023 83 0 82
MINIMUM 51 234 AM 36 2002 50 1 53
AVERAGE 67 67 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.91 2021 0.04 -0.04 0.01
MONTH TO DATE 1.18 0.61 0.57 0.42
SINCE OCT 1 15.54 12.82 2.72 10.94
SINCE JAN 1 13.70 10.54 3.16 9.86
SNOWFALL (IN)
YESTERDAY 0.0 T 2019 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.4 -0.4 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 37 22 15 9
SINCE JUN 1 275 263 12 182
SINCE JUL 1 47 70 -23 39
COOLING
YESTERDAY 2 4 -2 3
MONTH TO DATE 46 84 -38 74
SINCE JUN 1 285 244 41 237
SINCE JAN 1 305 247 58 251
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 400 AM
LOWEST 25 300 PM
AVERAGE 56
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1964
MINIMUM TEMPERATURE (F) 50 40 1987
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page