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 Point Forecast: Mount St Helens WA
 46.2N 122.18W (Elev. 1828 m)
Last Update: 11:41 am PDT Mar 29, 2023
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°C)
Dewpoint (°C)
Wind Chill (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date03/2903/30
Hour (PDT)121314151617181920212223000102030405060708091011
Temperature (°C)-2-2-2-2-2-2-2-2-2-3-3-3-3-3-3-4-4-4-4-4-4-4-4-4
Dewpoint (°C)-5-5-5-4-4-4-4-4-4-4-4-4-4-4-5-6-6-6-7-7-7-6-6-6
Wind Chill (°C)-4-4-5-6-6-7-6-7-7-7-7-8-8-8-9-11-11-11-11-11-11-11-11-11
Surface Wind (mph)33566879888891113141514141413131315
Wind DirEESEENWNWWWWWWWWWWWSWWSWSWWSWWSWWSWWSWWSWWSWWSW
Gust
Sky Cover (%)444843465659747067626172727275757573737375757584
Precipitation Potential (%)232324212436363636363618181818181850505050505076
Relative Humidity (%)828282838384858687899092929190888685858586868787
Rain------------------------------------------------
Thunder------------------------------------------------
SnowSChcSChcSChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcOcnl
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date03/31
Hour (PDT)121314151617181920212223000102030405060708091011
Temperature (°C)-4-4-4-3-3-3-3-4-4-4-5-6-6-6-6-6-6-6-6-6-5-5-5-5
Dewpoint (°C)-6-6-5-5-5-5-5-5-6-6-6-7-7-7-7-7-8-8-8-7-6-7-7-7
Wind Chill (°C)-11-11-11-11-10-10-11-11-12-12-13-13-13-14-14-14-14-12-12-12-12-12-12-13
Surface Wind (mph)151515151515151517171717171718181811111113131315
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSW
Gust
Sky Cover (%)848484848490909090909092929292929294949494949496
Precipitation Potential (%)767676767684848484848487878787878791919191919193
Relative Humidity (%)888990908989909191919090919192918685869092918786
Rain------------------------------------------------
Thunder------------------------------------------------
SnowOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnl
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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