Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 112240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE AUG 11 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 11 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM MM MM 101 2018 83 MM 76
MINIMUM MM MM 31 1896 51 MM 52
AVERAGE MM 67 MM 64
PRECIPITATION (IN)
TODAY 0.00 1.57 1909 0.06 -0.06 T
MONTH TO DATE T 0.58 -0.58 1.19
SINCE OCT 1 16.10 14.67 1.43 13.70
SINCE JAN 1 13.51 12.22 1.29 12.33
DEGREE DAYS
HEATING
TODAY MM 2 MM 1
MONTH TO DATE 24 14 10 18
SINCE JUN 1 326 305 21 263
SINCE JUL 1 39 79 -40 69
COOLING
TODAY MM 4 MM 0
MONTH TO DATE 32 44 -12 13
SINCE JUN 1 242 162 80 92
SINCE JAN 1 255 163 92 95
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1940
MINIMUM TEMPERATURE (F) 51 31 1987
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 610 AM MDT SUNSET 835 PM MDT
AUGUST 12 2026........SUNRISE 611 AM MDT SUNSET 834 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$