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: 5 Miles NNE Mount St Helens WA
 46.25N 122.14W (Elev. 3917 ft)
Last Update: 4:11 pm PDT Oct 20, 2021
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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  

Date10/2010/21
Hour (PDT)171819202122230001020304050607080910111213141516
Temperature (°F)434342414141414039393940404040414345474950505151
Dewpoint (°F)404040403939393939393838383838393940404041414242
Wind Chill (°F)35353533333333323536363838363638383940414243
Surface Wind (mph)98891011109889109788910131414141414
Wind DirSSSESSESSESESSESESEESEESESESESEESEESEESESESESESESESSESSESSE
Gust202121212121
Sky Cover (%)867982878277555961627374848783828179837777908282
Precipitation Potential (%)3936322820135554433445811141925304473
Relative Humidity (%)889092949392929497989794929293928781767371707071
RainChcChcChcChcSChc----------------------------SChcChcChcChcLkly
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/22
Hour (PDT)171819202122230001020304050607080910111213141516
Temperature (°F)514948464544444342424241414141414141414142424241
Dewpoint (°F)424242424242424141414141414141414141414141414141
Wind Chill (°F)3937363738383837363636363635363636363636363534
Surface Wind (mph)141414111111111111111111111111999101010101010
Wind DirSSESSESSESESESESSESSESSESSSSSSSSSSSSSSWSSWSSW
Gust212121
Sky Cover (%)100100100100100100100100100100100100100100100100100100100100100100100100
Precipitation Potential (%)888888989898909090898989858585858585949494949494
Relative Humidity (%)7275808488909294969798991001009910010010010099979697100
RainOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnl
Thunder------------------------------------------------
Snow------------------------------------------------
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