661
CDUS45 KTFX 130747
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
147 AM MDT THU AUG 13 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 12 2026
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)
YESTERDAY
MAXIMUM MM MM 101 1940 83 MM 87
MINIMUM MM MM 31 1987 51 MM 53
AVERAGE MM 67 MM 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.64 1980 0.06 -0.06 T
MONTH TO DATE T 0.64 -0.64 1.19
SINCE OCT 1 16.10 14.73 1.37 13.70
SINCE JAN 1 13.51 12.28 1.23 12.33
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 2 MM 0
MONTH TO DATE 24 16 8 18
SINCE JUN 1 326 307 19 263
SINCE JUL 1 39 81 -42 69
COOLING
YESTERDAY MM 4 MM 5
MONTH TO DATE 32 48 -16 18
SINCE JUN 1 242 166 76 97
SINCE JAN 1 255 167 88 100
...............................................................
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 YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 97 1973
2003
2015
MINIMUM TEMPERATURE (F) 51 36 1916
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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