397
CDUS45 KTFX 152240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SAT AUG 15 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 15 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 99 1990 82 MM 84
MINIMUM MM MM 33 1943 50 MM 56
AVERAGE MM 66 MM 70
PRECIPITATION (IN)
TODAY 0.00 1.02 1968 0.06 -0.06 0.00
MONTH TO DATE T 0.81 -0.81 1.19
SINCE OCT 1 16.10 14.90 1.20 13.70
SINCE JAN 1 13.51 12.45 1.06 12.33
DEGREE DAYS
HEATING
TODAY MM 2 MM 0
MONTH TO DATE 24 22 2 18
SINCE JUN 1 326 313 13 263
SINCE JUL 1 39 87 -48 69
COOLING
TODAY MM 3 MM 5
MONTH TO DATE 32 57 -25 34
SINCE JUN 1 242 175 67 113
SINCE JAN 1 255 176 79 116
...............................................................
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) 82 98 1973
2003
MINIMUM TEMPERATURE (F) 50 32 1905
SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE 615 AM MDT SUNSET 828 PM MDT
AUGUST 16 2026........SUNRISE 617 AM MDT SUNSET 827 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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