Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 6204 ft)
Last Update: 5:41 am PDT May 5, 2024
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  
Haines Index
Lightning Activity Level
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date05/0505/06
Hour (PDT)060708091011121314151617181920212223000102030405
Temperature (°F)272929292929292929292929292828272626282828272828
Dewpoint (°F)262828282929292929292929292827262323252424232727
Heat Index (°F)
Surface Wind (mph)282828262628282828282828282828282828252525252525
Wind DirWNWWNWWNWWWWWWWWWWWWWWSWWSWWSWWSWWSWSWSWSWWSW
Gust313231303132333333343639383834343332333437373733
Sky Cover (%)9694919094989897969698979590888785899496989794100
Precipitation Potential (%)9391868590969795939497959284818077839093979590100
Relative Humidity (%)969696969898999999100100991009997969088908686849595
Rain------------------------------------------------
Thunder------------------------------------------------

Date05/07
Hour (PDT)060708091011121314151617181920212223000102030405
Temperature (°F)272626262625252525252525252424242323232424242323
Dewpoint (°F)262525252424242424242425242423222120202019202021
Heat Index (°F)
Surface Wind (mph)252525252522222225252525252520202022222218181816
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWWWWWWWW
Gust333330303033333324242422222221
Sky Cover (%)10010010010010010010010010010010099999999999985858585858593
Precipitation Potential (%)10010010010010010010010010010010098989898989877777777777789
Relative Humidity (%)959595959696969797979898989797949289878482858891
Rain------------------------------------------------
Thunder----------SChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChc--------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
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PFM (Forecast Matrix)PFM Decoding Guide
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