564
CDUS45 KTFX 100844
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
144 AM MST WED DEC 10 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 9 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 47 746 AM 65 1990 36 11 30
MINIMUM 20 1038 PM -36 1919 15 5 18
AVERAGE 34 25 9 24
PRECIPITATION (IN)
YESTERDAY 0.17 0.59 1949 0.02 0.15 0.13
MONTH TO DATE 0.65 0.14 0.51 0.15
SINCE OCT 1 2.21 2.08 0.13 1.06
SINCE JAN 1 16.68 16.80 -0.12 19.57
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 31 40 -9 41
MONTH TO DATE 330 350 -20 259
SINCE DEC 1 330 350 -20 259
SINCE JUL 1 1969 2441 -472 1950
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
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HEAVY SNOW
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 PM
LOWEST 58 300 AM
AVERAGE 79
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THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 64 1990
MINIMUM TEMPERATURE (F) 14 -22 1961
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 753 AM MST SUNSET 428 PM MST
DECEMBER 11 2025......SUNRISE 754 AM MST SUNSET 428 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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