066
CDUS45 KTFX 210731
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT THU MAY 21 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 20 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 88 1925 64 MM 60
MINIMUM MM MM 23 1931 39 MM 37
AVERAGE MM 52 MM 49
PRECIPITATION (IN)
YESTERDAY MM 2.81 1962 0.10 MM 0.00
MONTH TO DATE 0.45 1.61 -1.16 2.54
SINCE OCT 1 8.01 7.71 0.30 6.71
SINCE JAN 1 5.42 5.26 0.16 5.34
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 14 MM 16
MONTH TO DATE 217 336 -119 282
SINCE MAR 1 1765 2056 -291 1847
SINCE JUL 1 6452 7822 -1370 7409
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
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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 89 1928
MINIMUM TEMPERATURE (F) 39 24 1931
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 535 AM MDT SUNSET 854 PM MDT
MAY 22 2026...........SUNRISE 534 AM MDT SUNSET 855 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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