857
CDUS45 KTFX 172240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI APR 17 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 17 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 81 1923 53 MM 39
MINIMUM MM MM 4 1896 29 MM 23
AVERAGE MM 41 MM 31
PRECIPITATION (IN)
TODAY 0.00 0.90 1903 0.06 -0.06 0.05
MONTH TO DATE 0.80 0.90 -0.10 1.08
SINCE OCT 1 6.78 5.29 1.49 4.06
SINCE JAN 1 4.19 2.84 1.35 2.69
DEGREE DAYS
HEATING
TODAY MM 24 MM 34
MONTH TO DATE 363 434 -71 432
SINCE MAR 1 1201 1431 -230 1289
SINCE JUL 1 5888 7197 -1309 6851
COOLING
TODAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
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) 53 81 1936
MINIMUM TEMPERATURE (F) 29 5 1951
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 626 AM MDT SUNSET 810 PM MDT
APRIL 18 2026.........SUNRISE 624 AM MDT SUNSET 811 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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