Climatological Report (Daily)
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CDUS45 KTFX 210739
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT FRI AUG 21 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 20 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 90 446 PM 99 1931 82 8 94
MINIMUM 49 535 AM 39 1916 50 -1 54
AVERAGE 70 66 4 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.58 1974 0.04 -0.04 T
MONTH TO DATE 1.18 0.73 0.45 0.42
SINCE OCT 1 15.54 12.94 2.60 10.94
SINCE JAN 1 13.70 10.66 3.04 9.86
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE JUN 1 0.0 0.5 -0.5 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 37 28 9 9
SINCE JUN 1 275 269 6 182
SINCE JUL 1 47 76 -29 39
COOLING
YESTERDAY 5 3 2 9
MONTH TO DATE 62 94 -32 100
SINCE JUN 1 301 254 47 263
SINCE JAN 1 321 257 64 277
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 15 400 PM
AVERAGE 53
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1894
MINIMUM TEMPERATURE (F) 49 38 1992
2018
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 630 AM MDT SUNSET 826 PM MDT
AUGUST 22 2026........SUNRISE 631 AM MDT SUNSET 825 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$