Point Forecast: Mount St Helens WA
 46.2N 122.18W (Elev. 1828 m)
Last Update: 6:41 pm PDT Jul 14, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (PDT)192021222300010203040506070809101112131415161718
Temperature (°C)1312111099999999111212151617171818181818
Dewpoint (°C)633333232221233457777666
Heat Index (°C)
Surface Wind (mph)161514131010101010101010986666666788
Wind DirWNWNWNWNNWNNNWNNNENNENNENNENNEENEENEENEEENEENEENEENEENENEENEENE
Gust
Sky Cover (%)1723221725262716961012711117121319131919
Precipitation Potential (%)011011100000000000000000
Relative Humidity (%)625760636363636259615857555452504952524948454545
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (PDT)192021222300010203040506070809101112131415161718
Temperature (°C)171716151413131313121213141516171819191919191919
Dewpoint (°C)554321100-1-1-1012234466777
Heat Index (°C)
Surface Wind (mph)888810101014141414141410101066677799
Wind DirENENNENNENNEENEENEENEEEEEEEESEESEESESSSWWWWNWWNW
Gust
Sky Cover (%)1916161677733344422222277755
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)454545454544434241414039383737373738394041434445
Rain------------------------------------------------
Thunder------------------------------------------------

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