950
CDUS45 KTFX 132240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT THU AUG 13 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 13 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 97 1973 82 MM 92
2003
2015
MINIMUM MM MM 36 1916 51 MM 54
AVERAGE MM 66 MM 73
PRECIPITATION (IN)
TODAY 0.00 0.58 1944 0.05 -0.05 0.00
MONTH TO DATE T 0.69 -0.69 1.19
SINCE OCT 1 16.10 14.78 1.32 13.70
SINCE JAN 1 13.51 12.33 1.18 12.33
DEGREE DAYS
HEATING
TODAY MM 2 MM 0
MONTH TO DATE 24 18 6 18
SINCE JUN 1 326 309 17 263
SINCE JUL 1 39 83 -44 69
COOLING
TODAY MM 3 MM 8
MONTH TO DATE 32 51 -19 26
SINCE JUN 1 242 169 73 105
SINCE JAN 1 255 170 85 108
...............................................................
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) 82 101 1929
MINIMUM TEMPERATURE (F) 50 36 1995
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 613 AM MDT SUNSET 832 PM MDT
AUGUST 14 2026........SUNRISE 614 AM MDT SUNSET 830 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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