Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 1891 m)
Last Update: 9:41 pm PDT Jul 15, 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  

Date07/1507/16
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°C)161514141312121212121315161717181819191919191817
Dewpoint (°C)43210-1-1-2-2-2-20012444667765
Heat Index (°C)
Surface Wind (mph)81010131414141414131110765335668889
Wind DirENEENEENEEENEENEENENEENENNEEEESEEEESESSWWSWWNWNWNWNWWNW
Gust
Sky Cover (%)55565222687112237716151811917
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)484542404242393737373536343437403939404244454545
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)212223000102030405060708091011121314151617181920
Temperature (°C)161514131212111111111213141416161617171718171716
Dewpoint (°C)4421-1-2-2-2-2-2-10224456667664
Heat Index (°C)
Surface Wind (mph)996665555556667779991010109
Wind DirWNWWNWWWWWWWWWWWWWWWWWWWWNWWNWWNWWNW
Gust
Sky Cover (%)15117772224443333336663338
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)484746444240404141414242434445464748484848474746
Rain------------------------------------------------
Thunder------------------------------------------------

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