Point Forecast: Lewistown MT
 47.07N 109.43W (Elev. 3898 ft)
Last Update: 4:27 am MDT Jul 14, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

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

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (MDT)050607080910111213141516171819202122230001020304
Temperature (°F)605963687481848688898990888885807368646260585554
Dewpoint (°F)464547484850494950494950505253545656575857575453
Heat Index (°F)8082848586868785868380
Surface Wind (mph)5656667899910111111111111111110101010
Wind DirSSSWSSWWWNWWNWWNWWNWNWNWNWNNWNNNENEENENNNNEENENNENENE
Gust1818202021212121222222212121
Sky Cover (%)777435137551919255757577474747878849597
Precipitation Potential (%)20111115551313133535356161616666667070
Relative Humidity (%)595956484034302827252525272933415566778690969798
Rain--------------------------ChcChcChcLklyLklyLklyLklyLklyLklyLklyLkly
Thunder--------------------------ChcChcChcChcChcChcSChcSChcSChc----

Date07/16
Hour (MDT)050607080910111213141516171819202122230001020304
Temperature (°F)535153535455565556575757575656555453535251504948
Dewpoint (°F)535153535454545252535251515151515252525151504948
Heat Index (°F)
Surface Wind (mph)99111111131313131314141411111110101088877
Wind DirNEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENEENE
Gust181818222222222222242424222222202020
Sky Cover (%)939797948991889393939393939090909797979696969696
Precipitation Potential (%)707676767676768989898989898484848484847474747474
Relative Humidity (%)100100100100999693908785838180818488929496979899100100
RainLklyOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLklyLkly
Thunder--SChcSChcSChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcSChcSChcSChc----------

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