590
CDUS45 KTFX 180732
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT MON AUG 18 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 17 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 82 341 PM 98 1906 81 1 87
MINIMUM 52 548 AM 31 1910 50 2 49
AVERAGE 67 65 2 68
PRECIPITATION (IN)
YESTERDAY 0.44 0.88 1990 0.06 0.38 0.00
MONTH TO DATE 1.73 0.93 0.80 0.47
SINCE OCT 1 14.24 15.02 -0.78 14.26
SINCE JAN 1 12.87 12.57 0.30 11.80
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 18 26 -8 27
SINCE JUN 1 263 317 -54 318
SINCE JUL 1 69 91 -22 75
COOLING
YESTERDAY 2 3 -1 3
MONTH TO DATE 41 63 -22 60
SINCE JUN 1 120 181 -61 217
SINCE JAN 1 123 182 -59 217
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WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 PM
LOWEST 38 200 PM
AVERAGE 66
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THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1964
MINIMUM TEMPERATURE (F) 49 33 1902
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 619 AM MDT SUNSET 823 PM MDT
AUGUST 19 2025........SUNRISE 621 AM MDT SUNSET 821 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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