Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 202240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU AUG 20 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 20 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 89 248 PM 99 1931 82 7 94
MINIMUM 49 535 AM 39 1916 50 -1 54
AVERAGE 69 66 3 74
PRECIPITATION (IN)
TODAY 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
DEGREE DAYS
HEATING
TODAY 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
TODAY 4 3 1 9
MONTH TO DATE 61 94 -33 100
SINCE JUN 1 300 254 46 263
SINCE JAN 1 320 257 63 277
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 16 300 PM
AVERAGE 53
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1894
MINIMUM TEMPERATURE (F) 49 38 1992
2018
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 628 AM MDT SUNSET 828 PM MDT
AUGUST 21 2026........SUNRISE 630 AM MDT SUNSET 826 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$