677
CDUS45 KTFX 132340
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST SAT DEC 13 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 13 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 20 351 PM 65 1960 35 -15 43
MINIMUM 1 444 AM -22 1963 14 -13 20
AVERAGE 11 24 -13 32
PRECIPITATION (IN)
TODAY 0.01 0.52 1989 0.02 -0.01 0.00
MONTH TO DATE 0.90 0.20 0.70 0.15
SINCE OCT 1 2.46 2.14 0.32 1.06
SINCE JAN 1 16.93 16.86 0.07 19.57
DEGREE DAYS
HEATING
TODAY 54 41 13 33
MONTH TO DATE 512 511 1 402
SINCE DEC 1 512 511 1 402
SINCE JUL 1 2151 2602 -451 2093
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 163 229 -66 298
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87
LOWEST 76
AVERAGE 82
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 60 1924
MINIMUM TEMPERATURE (F) 14 -29 2008
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 756 AM MST SUNSET 429 PM MST
DECEMBER 14 2025......SUNRISE 757 AM MST SUNSET 429 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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