976
CDUS45 KTFX 162240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE SEP 16 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 16 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 72 259 PM 91 2009 72 0 74
MINIMUM 54 629 AM 27 1965 43 11 43
AVERAGE 63 57 6 59
PRECIPITATION (IN)
TODAY T 0.74 1959 0.05 -0.05 0.00
MONTH TO DATE 0.26 0.73 -0.47 1.07
SINCE OCT 1 11.39 14.16 -2.77 14.12
SINCE JAN 1 10.31 11.88 -1.57 12.02
DEGREE DAYS
HEATING
TODAY 2 8 -6 6
MONTH TO DATE 37 104 -67 50
SINCE SEP 1 37 104 -67 50
SINCE JUL 1 80 218 -138 101
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 26 20 6 43
SINCE SEP 1 26 20 6 43
SINCE JAN 1 325 303 22 367
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 49 300 PM
AVERAGE 75
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 2009
MINIMUM TEMPERATURE (F) 43 26 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 705 AM MDT SUNSET 735 PM MDT
SEPTEMBER 17 2025.....SUNRISE 706 AM MDT SUNSET 733 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