918
CDUS45 KTFX 190731
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI SEP 19 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 75 236 PM 90 1966 70 5 55
MINIMUM 44 555 AM 19 1965 41 3 51
AVERAGE 60 55 5 53
PRECIPITATION (IN)
YESTERDAY 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
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 28 200 PM
AVERAGE 62
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THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1938
MINIMUM TEMPERATURE (F) 41 22 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 701 AM MDT SUNSET 721 PM MDT
SEPTEMBER 20 2025.....SUNRISE 703 AM MDT SUNSET 719 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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