Point Forecast: 3 Miles S Mount St Helens WA
 46.14N 122.2W (Elev. 2956 ft)
Last Update: 7:42 pm PDT Jul 15, 2025
Tabular Forecast
[hide menu]Get as XML
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  

Date07/1507/16
Hour (PDT)202122230001020304050607080910111213141516171819
Temperature (°F)727069676765646363626263646772757779808181797876
Dewpoint (°F)534948464443424140403942434448494950505252525353
Heat Index (°F)757779808080797876
Surface Wind (mph)335667777766533333335666
Wind DirENENENENENENENENENENENENEENEEEESESESSSWSWWWNWWNWWNW
Gust
Sky Cover (%)6655554561113116453389141281010
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)514847464444454443444346474442403836353636394244
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)202122230001020304050607080910111213141516171819
Temperature (°F)737068666463616058575758586165687072747474747371
Dewpoint (°F)524949484745434341414345474850525252535352525252
Heat Index (°F)
Surface Wind (mph)555222222111222555777666
Wind DirWNWWNWWNWNWNWNWWNWWNWWNWWWWWSWWSWWSWWSWWSWWSWWWWWNWWNWWNW
Gust
Sky Cover (%)131410666333999888444555444
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)484851535352525354555962666359565350474746464851
Rain------------------------------------------------
Thunder------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
PFM (Forecast Matrix)Current River Levels
Weather PlannerMapped Observations
Road ConditionsMarine Weather
Fire WeatherUser Defined Area Forecast