Point Forecast: Mount St Helens WA
 46.2N 122.18W (Elev. 5997 ft)
Last Update: 7:42 am PDT Jul 10, 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  

Date07/1007/11
Hour (PDT)080910111213141516171819202122230001020304050607
Temperature (°F)474747484949495050505149494848484748484747464849
Dewpoint (°F)394141444646464646464645444140393636363535343637
Heat Index (°F)
Surface Wind (mph)988899101011131414141413111110101010101010
Wind DirWNWWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNNWNNWNNNEENEEEEEE
Gust18202020202018
Sky Cover (%)4848626356463838252525323230222519141288101010
Precipitation Potential (%)433112222111110000000000
Relative Humidity (%)757981859091908785878487837674716563646362636462
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/12
Hour (PDT)080910111213141516171819202122230001020304050607
Temperature (°F)525557595960606161626159585756555454535252515254
Dewpoint (°F)383940424345464747484744434139363535343435353638
Heat Index (°F)
Surface Wind (mph)777666101010151515141414101010101010999
Wind DirNNNNWNWNWNWNWNWNWNWNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNW
Gust222222222222
Sky Cover (%)222333777555191919222222131313161616
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)595553545657595959595958585552494948485053555454
Rain------------------------------------------------
Thunder------------------------------------------------

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