Climatological Report (Daily)
Issued by NWS
Issued by NWS
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371
CDUS45 KTFX 212240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU AUG 21 2025
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 239 PM 99 1894 82 -2 84
MINIMUM 48 550 AM 38 1992 49 -1 50
2018
AVERAGE 64 66 -2 67
PRECIPITATION (IN)
TODAY 0.00 2.72 1933 0.04 -0.04 0.01
MONTH TO DATE 0.42 0.77 -0.35 0.45
SINCE OCT 1 10.94 12.98 -2.04 12.84
SINCE JAN 1 9.86 10.70 -0.84 10.74
DEGREE DAYS
HEATING
TODAY 1 3 -2 0
MONTH TO DATE 10 31 -21 15
SINCE JUN 1 183 272 -89 225
SINCE JUL 1 40 79 -39 33
COOLING
TODAY 0 3 -3 2
MONTH TO DATE 100 97 3 92
SINCE JUN 1 263 257 6 307
SINCE JAN 1 277 260 17 307
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 24 300 PM
AVERAGE 59
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1935
1976
MINIMUM TEMPERATURE (F) 49 32 1992
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 630 AM MDT SUNSET 826 PM MDT
AUGUST 22 2025........SUNRISE 631 AM MDT SUNSET 824 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$