330
CDUS45 KTFX 212240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON SEP 21 2026
...............................
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 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 92 1938 68 MM 83
MINIMUM MM MM 19 1995 40 MM 43
AVERAGE MM 54 MM 63
PRECIPITATION (IN)
TODAY 0.00 1.76 1959 0.05 -0.05 0.02
MONTH TO DATE 0.57 0.97 -0.40 0.94
SINCE OCT 1 17.13 16.75 0.38 15.83
SINCE JAN 1 14.54 14.30 0.24 14.46
DEGREE DAYS
HEATING
TODAY MM 11 MM 2
MONTH TO DATE 72 172 -100 85
SINCE SEP 1 72 172 -100 85
SINCE JUL 1 136 318 -182 159
COOLING
TODAY MM 0 MM 0
MONTH TO DATE 17 14 3 11
SINCE SEP 1 17 14 3 11
SINCE JAN 1 338 224 114 163
...............................................................
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) 68 95 1905
MINIMUM TEMPERATURE (F) 40 23 2000
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 704 AM MDT SUNSET 717 PM MDT
SEPTEMBER 22 2026.....SUNRISE 705 AM MDT SUNSET 715 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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