Climatological Report (Daily)
Issued by NWS
Issued by NWS
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731
CDUS45 KTFX 140747
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
147 AM MDT MON SEP 14 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 13 2026...
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)
YESTERDAY
MAXIMUM MM MM 90 1959 72 MM 70
MINIMUM MM MM 23 1896 42 MM 46
AVERAGE MM 57 MM 58
PRECIPITATION (IN)
YESTERDAY MM 1.23 1967 0.05 MM 0.00
MONTH TO DATE 0.36 0.61 -0.25 0.60
SINCE OCT 1 16.92 16.39 0.53 15.49
SINCE JAN 1 14.33 13.94 0.39 14.12
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 9 MM 7
MONTH TO DATE 34 92 -58 52
SINCE SEP 1 34 92 -58 52
SINCE JUL 1 98 238 -140 126
COOLING
YESTERDAY MM 1 MM 0
MONTH TO DATE 12 14 -2 11
SINCE SEP 1 12 14 -2 11
SINCE JAN 1 333 224 109 163
...................................................................
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 YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1948
MINIMUM TEMPERATURE (F) 42 19 1970
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 654 AM MDT SUNSET 731 PM MDT
SEPTEMBER 15 2026.....SUNRISE 656 AM MDT SUNSET 729 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$