Climatological Report (Daily)
Issued by NWS
Issued by NWS
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269
CDUS45 KTFX 122240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT SEP 12 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 12 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 59 259 PM 92 1919 73 -14 81
MINIMUM 42 121 AM 29 1949 44 -2 45
AVERAGE 51 59 -8 63
PRECIPITATION (IN)
TODAY 0.00 0.66 1978 0.04 -0.04 T
MONTH TO DATE 0.78 0.55 0.23 0.06
SINCE OCT 1 16.58 13.98 2.60 11.19
SINCE JAN 1 14.74 11.70 3.04 10.11
DEGREE DAYS
HEATING
TODAY 14 7 7 2
MONTH TO DATE 57 72 -15 29
SINCE SEP 1 57 72 -15 29
SINCE JUL 1 119 186 -67 72
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 8 16 -8 26
SINCE SEP 1 8 16 -8 26
SINCE JAN 1 378 299 79 325
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 AM
LOWEST 58 300 PM
AVERAGE 78
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1959
MINIMUM TEMPERATURE (F) 44 27 1915
1921
2016
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.
$$