Climatological Report (Daily)
Issued by NWS
Issued by NWS
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589
CDUS45 KTFX 120732
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT TUE AUG 12 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 11 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 76 459 PM 101 2018 83 -7 76
MINIMUM 52 247 AM 31 1896 51 1 51
AVERAGE 64 67 -3 64
PRECIPITATION (IN)
YESTERDAY T 1.57 1909 0.06 -0.06 0.00
MONTH TO DATE 1.19 0.58 0.61 0.16
SINCE OCT 1 13.70 14.67 -0.97 13.95
SINCE JAN 1 12.33 12.22 0.11 11.49
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 1
MONTH TO DATE 18 14 4 24
SINCE JUN 1 263 305 -42 315
SINCE JUL 1 69 79 -10 72
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 13 44 -31 44
SINCE JUN 1 92 162 -70 201
SINCE JAN 1 95 163 -68 201
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 300 AM
LOWEST 42 500 PM
AVERAGE 63
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1940
MINIMUM TEMPERATURE (F) 51 31 1987
SUNRISE AND SUNSET
AUGUST 12 2025........SUNRISE 612 AM MDT SUNSET 833 PM MDT
AUGUST 13 2025........SUNRISE 613 AM MDT SUNSET 831 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$