045
CDUS45 KTFX 182240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU SEP 18 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 75 236 PM 90 1966 70 5 55
MINIMUM 44 555 AM 19 1965 41 3 51
AVERAGE 60 55 5 53
PRECIPITATION (IN)
TODAY 0.00 4.35 2024 0.05 -0.05 4.35
MONTH TO DATE 0.92 0.83 0.09 6.06
SINCE OCT 1 15.81 16.61 -0.80 20.96
SINCE JAN 1 14.44 14.16 0.28 18.50
DEGREE DAYS
HEATING
TODAY 5 10 -5 12
MONTH TO DATE 76 140 -64 58
SINCE SEP 1 76 140 -64 58
SINCE JUL 1 150 286 -136 163
COOLING
TODAY 0 0 0 0
MONTH TO DATE 11 14 -3 36
SINCE SEP 1 11 14 -3 36
SINCE JAN 1 163 224 -61 288
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 28
AVERAGE 62
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1938
MINIMUM TEMPERATURE (F) 41 22 1983
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 700 AM MDT SUNSET 723 PM MDT
SEPTEMBER 19 2025.....SUNRISE 701 AM MDT SUNSET 721 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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