Point Forecast: Mount St Helens WA
 46.18N 122.18W (Elev. 6204 ft)
Last Update: 3:25 am PDT Jul 15, 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  

Date07/1507/16
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)505049495354555860626364656566666463605957565655
Dewpoint (°F)353434343536373940434443434342434241393734313131
Heat Index (°F)
Surface Wind (mph)910109876533335666678910111414
Wind DirNNENNEENENEENEEEEEEEEENEENEENEENENEENENNENEENENEENEE
Gust18
Sky Cover (%)225106111138711456710656774
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)575556555051514948504947454542444544464341393939
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (PDT)030405060708091011121314151617181920212223000102
Temperature (°F)545453555759626263646667676767666564626058575554
Dewpoint (°F)292928282931333336384042434444434140393736353333
Heat Index (°F)
Surface Wind (mph)151515141110875555558888886665
Wind DirNNENNENNENENEEESESSESSSWSWWSWWSWWNWWNWWNWWNWWNWWNWWNWWNWWNWW
Gust18181818
Sky Cover (%)3451071233335554449998883
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)383838353434333437383940414344434241424243444445
Rain------------------------------------------------
Thunder------------------------------------------------

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