775
CDUS45 KTFX 190731
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT TUE MAY 19 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 18 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 86 1937 64 MM 52
MINIMUM MM MM 23 1929 38 MM 42
AVERAGE MM 51 MM 47
PRECIPITATION (IN)
YESTERDAY MM 1.82 1959 0.10 MM 0.20
MONTH TO DATE 0.45 1.41 -0.96 2.54
SINCE OCT 1 8.01 7.51 0.50 6.71
SINCE JAN 1 5.42 5.06 0.36 5.34
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 14 MM 18
MONTH TO DATE 217 308 -91 249
SINCE MAR 1 1765 2028 -263 1814
SINCE JUL 1 6452 7794 -1342 7376
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 2
SINCE MAR 1 0 0 0 2
SINCE JAN 1 0 0 0 2
...............................................................
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) 64 87 1954
MINIMUM TEMPERATURE (F) 39 25 1997
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 538 AM MDT SUNSET 852 PM MDT
MAY 20 2026...........SUNRISE 536 AM MDT SUNSET 853 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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