545
CDUS45 KTFX 120836
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
136 AM MST FRI DEC 12 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 11 2025
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)
YESTERDAY
MAXIMUM 49 1051 AM 64 1939 35 14 43
MINIMUM 5 1159 PM -28 1932 14 -9 20
AVERAGE 27 25 2 32
PRECIPITATION (IN)
YESTERDAY 0.11 0.40 1919 0.01 0.10 0.00
MONTH TO DATE 0.89 0.17 0.72 0.15
SINCE OCT 1 2.45 2.11 0.34 1.06
SINCE JAN 1 16.92 16.83 0.09 19.57
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 38 40 -2 33
MONTH TO DATE 397 430 -33 333
SINCE DEC 1 397 430 -33 333
SINCE JUL 1 2036 2521 -485 2024
COOLING
YESTERDAY 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 25 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LT FREEZING RAIN
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 PM
LOWEST 54 800 AM
AVERAGE 75
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 60 1924
MINIMUM TEMPERATURE (F) 14 -23 1922
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 755 AM MST SUNSET 429 PM MST
DECEMBER 13 2025......SUNRISE 756 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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