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Great Falls, MT
 
 
 Point Forecast: Lewistown MT
 47.07N 109.43W (Elev. 3898 ft)
Last Update: 11:15 pm MDT Oct 20, 2020
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Trans. Wind  
Vent Rate (x1000 mph-ft)
Grassland Fire Danger Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date10/2010/21
Hour (MDT)230001020304050607080910111213141516171819202122
Temperature (°F)242525252626272726273034363737373533312927232220
Dewpoint (°F)242424242525262626272930293332323130282625222119
Wind Chill (°F)17181819202020201920253030313131282624201813119
Surface Wind (mph)66655576665588888889991010
Wind DirSESESESESESESESSESSSESSESSWWNWNWNNWNNNNNNNNWNNW
Gust
Sky Cover (%)474561646171655747585549375060698083808989899393
Precipitation Potential (%)1117213027139101474452125303445688080808080
Relative Humidity (%)9997969697969597991009586778483828688899091959597
Rain--------------------------SChcChcChcChc--------------
Thunder------------------------------------------------
Snow--SChcSChcChcChc----------------------ChcChcLklyOcnlOcnlOcnlOcnlOcnl
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/22
Hour (MDT)230001020304050607080910111213141516171819202122
Temperature (°F)19181716151414141415161820222222222222201714108
Dewpoint (°F)1817161514131313121314151617171717171615131297
Wind Chill (°F)7764211112479111111111111129541
Surface Wind (mph)1099910101010101099910101010101066633
Wind DirNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWSS
Gust
Sky Cover (%)939494949494949696969494948989898383837575757171
Precipitation Potential (%)8090909091919147474747474718181818181899999
Relative Humidity (%)979594959696959493929087848180808080798085919597
Rain------------------------------------------------
Thunder------------------------------------------------
SnowOcnlOcnlOcnlOcnlOcnlOcnlOcnlChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc----------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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