Climatological Report (Daily)
Issued by NWS
Issued by NWS
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068
CDUS45 KTFX 302240
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT WED SEP 30 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 93 1906 64 MM 81
MINIMUM MM MM 17 1985 37 MM 49
AVERAGE MM 50 MM 65
PRECIPITATION (IN)
TODAY 0.00 1.14 2022 0.05 -0.05 0.00
MONTH TO DATE 0.93 1.39 -0.46 0.95
SINCE OCT 1 17.49 17.17 0.32 15.84
SINCE JAN 1 14.90 14.72 0.18 14.47
DEGREE DAYS
HEATING
TODAY MM 15 MM 0
MONTH TO DATE 155 291 -136 133
SINCE SEP 1 155 291 -136 133
SINCE JUL 1 219 437 -218 207
COOLING
TODAY MM 0 MM 0
MONTH TO DATE 17 18 -1 11
SINCE SEP 1 17 18 -1 11
SINCE JAN 1 338 228 110 163
...................................................................
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) 63 90 2011
MINIMUM TEMPERATURE (F) 37 15 1950
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 716 AM MDT SUNSET 659 PM MDT
OCTOBER 1 2026.......SUNRISE 717 AM MDT SUNSET 657 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$