Climatological Report (Daily)
Issued by NWS
Issued by NWS
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810
CDUS45 KTFX 200734
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MDT THU AUG 20 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 19 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 97 2008 81 MM 93
MINIMUM MM MM 31 1907 49 MM 58
AVERAGE MM 65 MM 76
PRECIPITATION (IN)
YESTERDAY MM 1.47 1964 0.06 MM 0.00
MONTH TO DATE 0.28 1.04 -0.76 1.73
SINCE OCT 1 16.38 15.13 1.25 14.24
SINCE JAN 1 13.79 12.68 1.11 12.87
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 3 MM 0
MONTH TO DATE 35 32 3 18
SINCE JUN 1 337 323 14 263
SINCE JUL 1 50 97 -47 69
COOLING
YESTERDAY MM 3 MM 11
MONTH TO DATE 42 69 -27 55
SINCE JUN 1 252 187 65 134
SINCE JAN 1 265 188 77 137
...................................................................
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) 80 97 1931
MINIMUM TEMPERATURE (F) 49 32 1916
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 622 AM MDT SUNSET 820 PM MDT
AUGUST 21 2026........SUNRISE 623 AM MDT SUNSET 818 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$