Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 6204 ft)
Last Update: 12:41 am PDT Jul 15, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Mixing Height  
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (PDT)010203040506070809101112131415161718192021222300
Temperature (°F)505050494949525455585961626364656565646360595756
Dewpoint (°F)353535343534353637394144444545414141404037363433
Heat Index (°F)
Surface Wind (mph)10101010101087665555667778881010
Wind DirNNNNNNNNENNENEENEENEEENEENEENEENEENEENEENENNENNENNENENE
Gust
Sky Cover (%)191386812711227141318912121215151566
Precipitation Potential (%)100000000000000000000000
Relative Humidity (%)565656565855525150495154525150424242424242424242
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)010203040506070809101112131415161718192021222300
Temperature (°F)565555545456586062636566676868686867666563615957
Dewpoint (°F)333231303031333435373940414242434342424140383735
Heat Index (°F)
Surface Wind (mph)1014141414141410101066655588888866
Wind DirNEEEEEEEESEESEESESSSWWWWWWWNWWNWWNWWNWWNW
Gust181818
Sky Cover (%)622233322233366633388888
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)414140403938383737383838393939404040414142424344
Rain------------------------------------------------
Thunder------------------------------------------------

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