Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 6204 ft)
Last Update: 9:45 pm PDT Jul 13, 2025
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  
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (PDT)222300010203040506070809101112131415161718192021
Temperature (°F)616160595857575655575758596059596060615958575451
Dewpoint (°F)424240404039414140414142434545444444454342423936
Heat Index (°F)
Surface Wind (mph)181413111010101010111113141414141415161616161515
Wind DirNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNW
Gust281818202022222222222222222121
Sky Cover (%)6899551016232113171515191713834441616
Precipitation Potential (%)110111111110000000000000
Relative Humidity (%)504948505251565656565656565760585656565656575657
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (PDT)222300010203040506070809101112131415161718192021
Temperature (°F)515050494949484850525456575961626465656665656462
Dewpoint (°F)363535343433323133343638394042434444434241414038
Heat Index (°F)
Surface Wind (mph)1511111110101010101099966666677788
Wind DirNWNNWNNWNNWNNNNNNNNENNENNENENENENWNWNWNNWNNWNNWNNWNNW
Gust21
Sky Cover (%)161616165555552224441010106661010
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)575656555554535252515151505050494946444141414141
Rain------------------------------------------------
Thunder------------------------------------------------

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