198
CDUS45 KTFX 172240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI OCT 17 2025
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM MM MM 83 1927 55 MM 51
MINIMUM MM MM 5 1930 30 MM 39
AVERAGE MM 43 MM 45
PRECIPITATION (IN)
TODAY 0.00 1.33 1938 0.04 -0.04 0.11
MONTH TO DATE 0.84 0.78 0.06 0.11
SINCE OCT 1 0.84 0.78 0.06 0.11
SINCE JAN 1 15.31 15.50 -0.19 18.62
DEGREE DAYS
HEATING
TODAY MM 22 MM 20
MONTH TO DATE 295 317 -22 180
SINCE SEP 1 428 606 -178 321
SINCE JUL 1 502 752 -250 426
COOLING
TODAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 11 18 -7 46
SINCE JAN 1 163 228 -65 298
...............................................................
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) 55 82 1958
MINIMUM TEMPERATURE (F) 30 1 1905
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 739 AM MDT SUNSET 626 PM MDT
OCTOBER 18 2025.......SUNRISE 741 AM MDT SUNSET 624 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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