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 Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 1891 m)
Last Update: 2:40 pm PDT Apr 16, 2024
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  

Date04/1604/17
Hour (PDT)141516171819202122230001020304050607080910111213
Temperature (°C)-4-3-3-4-4-4-5-6-6-6-6-7-7-7-7-7-6-6-4-3-2-2-10
Dewpoint (°C)-8-7-7-8-8-7-8-9-9-9-8-9-10-11-11-11-10-10-9-10-10-9-8-8
Wind Chill (°C)-11-11-9-13-13-13-13-13-13-13-13-14-14-14-14-14-14-12-11-9-7-6-4-4
Surface Wind (mph)222222232322222118181716171716151514131311898
Wind DirWNWWNWNWWNWNWNWNWNNWNNWNNWNNWNNWNNNWNWWNWWNWNNNNENENNE
Gust34343437373434333131303030
Sky Cover (%)54616361595562594727362220202016125555292929
Precipitation Potential (%)313131151515151515444444111111999
Relative Humidity (%)717371737576797878808379787272737471676156565753
Rain------------------------------------------------
Thunder------------------------------------------------
SnowChcChcChcSChc--SChcChcSChc--------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date04/18
Hour (PDT)141516171819202122230001020304050607080910111213
Temperature (°C)01100-1-2-3-3-3-3-3-3-4-4-4-3-2-112334
Dewpoint (°C)-8-8-8-8-6-6-7-7-8-8-9-9-9-11-11-11-12-11-11-11-11-11-11-9
Wind Chill (°C)-3-3-4-4-5-5-6-6-7-7-7-8-8-8-9-9-8-7-5-3-2012
Surface Wind (mph)789111111101010777888999111111131313
Wind DirNNNNNNNNNENEENEENEEEEEEEENEENEENEEEE
Gust
Sky Cover (%)292929161616151515333222444444111
Precipitation Potential (%)999333333000000111111444
Relative Humidity (%)535351576366697069676665636159565350474340373637
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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