575
CDUS45 KTFX 232240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE SEP 23 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 23 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 79 259 PM 93 1966 69 10 77
MINIMUM 49 202 AM 16 2000 41 8 51
AVERAGE 64 55 9 64
PRECIPITATION (IN)
TODAY 0.00 0.90 2007 0.04 -0.04 0.00
MONTH TO DATE 0.28 1.03 -0.75 1.80
SINCE OCT 1 11.41 14.46 -3.05 14.85
SINCE JAN 1 10.33 12.18 -1.85 12.75
DEGREE DAYS
HEATING
TODAY 1 11 -10 1
MONTH TO DATE 55 172 -117 96
SINCE SEP 1 55 172 -117 96
SINCE JUL 1 98 286 -188 147
COOLING
TODAY 0 0 0 0
MONTH TO DATE 32 24 8 43
SINCE SEP 1 32 24 8 43
SINCE JAN 1 331 307 24 367
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 13.0
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 200 AM
LOWEST 18 300 PM
AVERAGE 38
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 2009
MINIMUM TEMPERATURE (F) 41 10 1926
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 714 AM MDT SUNSET 720 PM MDT
SEPTEMBER 24 2025.....SUNRISE 715 AM MDT SUNSET 718 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