409
CDUS45 KTFX 200854
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
154 AM MST TUE JAN 20 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JANUARY 19 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 43 202 PM 60 1986 35 8 -2
MINIMUM 15 513 AM -31 1954 13 2 -16
AVERAGE 29 24 5 -9
PRECIPITATION (IN)
YESTERDAY 0.00 0.40 1906 0.02 -0.02 T
MONTH TO DATE 0.03 0.36 -0.33 0.84
SINCE OCT 1 2.62 2.81 -0.19 2.21
SINCE JAN 1 0.03 0.36 -0.33 0.84
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 36 41 -5 74
MONTH TO DATE 537 788 -251 877
SINCE DEC 1 1582 2050 -468 1847
SINCE JUL 1 3221 4141 -920 3538
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 600 AM
LOWEST 22 200 PM
AVERAGE 53
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 58 1981
MINIMUM TEMPERATURE (F) 13 -32 1949
1954
SUNRISE AND SUNSET
JANUARY 20 2026.......SUNRISE 755 AM MST SUNSET 503 PM MST
JANUARY 21 2026.......SUNRISE 755 AM MST SUNSET 504 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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