160
CDUS45 KTFX 212240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE APR 21 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 21 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 82 1906 54 MM 54
MINIMUM MM MM 0 2008 30 MM 27
AVERAGE MM 42 MM 41
PRECIPITATION (IN)
TODAY 0.00 0.70 1904 0.06 -0.06 T
MONTH TO DATE 0.82 1.14 -0.32 1.09
SINCE OCT 1 6.80 5.53 1.27 4.07
SINCE JAN 1 4.21 3.08 1.13 2.70
DEGREE DAYS
HEATING
TODAY MM 23 MM 24
MONTH TO DATE 440 528 -88 525
SINCE MAR 1 1278 1525 -247 1382
SINCE JUL 1 5965 7291 -1326 6944
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) 55 86 1906
MINIMUM TEMPERATURE (F) 30 1 1967
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 619 AM MDT SUNSET 815 PM MDT
APRIL 22 2026.........SUNRISE 617 AM MDT SUNSET 816 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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