Skip Navigation Linksweather.gov 
NOAA logo - Click to go to the NOAA homepageNational Weather Service Forecast Office NWS logo - Click to go to the NWS homepage
Portland, OR
 
 
 Point Forecast: 17 Miles ENE Mount St Helens WA
 46.27N 121.86W (Elev. 4833 ft)
Last Update: 2:05 pm PDT Oct 16, 2021
Tabular Forecast
[show menu]Get as XML

Date10/1610/17
Hour (PDT)141516171819202122230001020304050607080910111213
Temperature (°F)495050494847464545444443434241414040404041424242
Dewpoint (°F)353534333231303030303132333435353636373737383837
Wind Chill (°F)454646454443414040393938383635353434343435363636
Surface Wind (mph)101010999999999999888888888
Wind DirSSWSSWSSWSSWSSWSSWSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)72798479798289888667759899100100100100100999999979797
Precipitation Potential (%)111111111555111111222222373737464646
Relative Humidity (%)595654535353545556586165697377808386888887868584
Rain------------------------------SChcSChcSChcChcChcChcChcChcChc
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/18
Hour (PDT)141516171819202122230001020304050607080910111213
Temperature (°F)424141404039393838373736363535343433333334343535
Dewpoint (°F)373737373738383838373736363535343433333333333332
Wind Chill (°F)383636333332323131292928282727252524242425272828
Surface Wind (mph)888888888999101010131313999888
Wind DirSWSWSWWSWWSWWSWWNWWNWWNWNNWNNWNNWNWNWNWNWNWNWNWNWNWNWNWNW
Gust181818
Sky Cover (%)989898989898949494848484919191878787838383828282
Precipitation Potential (%)565656636363797979545454393939111111111111555
Relative Humidity (%)838384879094979910010010010010010010010010010010010098969288
RainLklyLklyLklyLklyLklyLklyOcnlOcnlOcnl------------------------------
Thunder------------------------------------------------
Snow------LklyLklyLklyOcnlOcnlOcnlChcChcChcChcChcChc------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
PFM (Forecast Matrix)PFM Decoding Guide
Rainfall ForecastsCurrent River Levels
Weather PlannerMapped Observations
Road ConditionsAvalanche Outlooks
Marine WeatherFire Weather
User Defined Area

Webmaster
NOAA's National Weather Service
Portland, OR
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities