Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 172240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI OCT 17 2025
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 17 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 63 147 PM 79 1927 56 7 51
MINIMUM 44 350 AM 8 1930 32 12 32
AVERAGE 54 44 10 42
PRECIPITATION (IN)
TODAY 0.00 0.46 1980 0.03 -0.03 0.00
MONTH TO DATE 0.91 0.65 0.26 0.01
SINCE OCT 1 0.91 0.65 0.26 0.01
SINCE JAN 1 11.24 13.13 -1.89 12.76
DEGREE DAYS
HEATING
TODAY 11 21 -10 23
MONTH TO DATE 285 295 -10 149
SINCE SEP 1 355 553 -198 274
SINCE JUL 1 398 667 -269 325
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 34 25 9 61
SINCE JAN 1 333 308 25 385
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 23.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 200 AM
LOWEST 26 200 PM
AVERAGE 43
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 2003
MINIMUM TEMPERATURE (F) 32 6 1905
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 748 AM MDT SUNSET 633 PM MDT
OCTOBER 18 2025.......SUNRISE 749 AM MDT SUNSET 631 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$