Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 210744
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
144 AM MDT TUE JUL 21 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 20 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 96 1934 83 MM 76
2003
MINIMUM MM MM 36 1900 52 MM 53
AVERAGE MM 68 MM 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.14 1961 0.06 -0.06 0.14
MONTH TO DATE 1.73 1.24 0.49 1.20
SINCE OCT 1 15.66 13.57 2.09 11.19
SINCE JAN 1 13.07 11.12 1.95 9.82
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 1 MM 0
MONTH TO DATE 7 54 -47 41
SINCE JUN 1 294 280 14 235
SINCE JUL 1 7 54 -47 41
COOLING
YESTERDAY MM 4 MM 0
MONTH TO DATE 66 57 9 58
SINCE JUN 1 69 74 -5 61
SINCE JAN 1 82 75 7 64
...................................................................
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) 84 101 1931
MINIMUM TEMPERATURE (F) 52 33 1926
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 544 AM MDT SUNSET 904 PM MDT
JULY 22 2026..........SUNRISE 545 AM MDT SUNSET 903 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$