Point Forecast: Mount St Helens WA
 46.2N 122.18W (Elev. 1828 m)
Last Update: 10:41 am PDT Jul 13, 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  

Date07/1307/14
Hour (PDT)111213141516171819202122230001020304050607080910
Temperature (°C)191919191919181817171615141414131312121213131313
Dewpoint (°C)68889991010887666554445666
Heat Index (°C)
Surface Wind (mph)111414151618181818171715141311101010101010111111
Wind DirNNNWNWNNWNWNWNWNWNWNWNWNWNWNWWNWNWWNWWNWWNWWNWWNWWNWWNWWNW
Gust
Sky Cover (%)354433556915161515129912191919161616
Precipitation Potential (%)011112222221211111000000
Relative Humidity (%)434749495054545862585959575558585958606060626261
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)111213141516171819202122230001020304050607080910
Temperature (°C)131414141414141312121211111111111110101112131416
Dewpoint (°C)777776654443333322222234
Heat Index (°C)
Surface Wind (mph)131313141414151515141414111111101010111111101010
Wind DirWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNNWNNWNNWNNENNENNENENENEENEENEENE
Gust
Sky Cover (%)151515161616101010202020161616999111111888
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)636362626159585858585858585858585757565351484745
Rain------------------------------------------------
Thunder------------------------------------------------

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