Climatological Report (Daily)
Issued by NWS
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057
CDUS45 KTFX 120753
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 AM MDT SAT SEP 12 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 11 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 57 503 PM 93 1919 74 -17 74
MINIMUM 45 615 AM 29 1921 44 1 48
1989
AVERAGE 51 59 -8 61
PRECIPITATION (IN)
YESTERDAY 0.27 1.29 1978 0.04 0.23 0.03
MONTH TO DATE 0.78 0.51 0.27 0.06
SINCE OCT 1 16.58 13.94 2.64 11.19
SINCE JAN 1 14.74 11.66 3.08 10.11
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1949 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 7 7 4
MONTH TO DATE 43 65 -22 27
SINCE SEP 1 43 65 -22 27
SINCE JUL 1 105 179 -74 70
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 15 -7 26
SINCE SEP 1 8 15 -7 26
SINCE JAN 1 378 298 80 325
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 60 500 PM
AVERAGE 78
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1919
MINIMUM TEMPERATURE (F) 44 29 1949
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 659 AM MDT SUNSET 743 PM MDT
SEPTEMBER 13 2026.....SUNRISE 700 AM MDT SUNSET 741 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$