561
CDUS45 KTFX 192340
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MST FRI DEC 19 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 19 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 51 236 AM 61 2004 34 17 44
MINIMUM 29 359 PM -27 1924 13 16 19
AVERAGE 40 23 17 32
PRECIPITATION (IN)
TODAY T 0.38 1925 0.02 -0.02 0.00
MONTH TO DATE 1.01 0.30 0.71 0.20
SINCE OCT 1 2.57 2.24 0.33 1.11
SINCE JAN 1 17.04 16.96 0.08 19.62
DEGREE DAYS
HEATING
TODAY 25 42 -17 33
MONTH TO DATE 657 758 -101 610
SINCE DEC 1 657 758 -101 610
SINCE JUL 1 2296 2849 -553 2301
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 44 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 61 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 25.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58
LOWEST 36
AVERAGE 47
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 60 1900
MINIMUM TEMPERATURE (F) 13 -28 1990
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 800 AM MST SUNSET 430 PM MST
DECEMBER 20 2025......SUNRISE 801 AM MST SUNSET 431 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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