National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 46.18°N 122.18°W (Text-Only)
NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 12:41 am PDT Mar 27, 2025		Print

  • Overnight

    Overnight: Snow showers, mainly before 4am. Low around 29. Breezy, with a south southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow Showers
    and Breezy



  • Thursday

    Thursday: Snow showers. The snow could be heavy at times. High near 32. Windy, with a south wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy



  • Thursday
    Night

    Thursday Night: Snow showers. The snow could be heavy at times. Low around 28. Windy, with a south wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Low: 28 °F

    Heavy Snow
    and Windy



  • Friday

    Friday: Snow showers. The snow could be heavy at times. High near 29. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 29 °F

    Heavy Snow
    and Windy



  • Friday
    Night

    Friday Night: Snow showers. Low around 25. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow Showers
    and Breezy
    then Snow
    Showers
    Likely

  • Saturday

    Saturday: Snow showers. High near 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Showers




  • Saturday
    Night

    Saturday Night: A 40 percent chance of snow showers before 11pm. Partly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers then
    Partly Cloudy


  • Sunday

    Sunday: A chance of snow after 11am. Partly sunny, with a high near 38. Windy.

    High: 38 °F

    Chance Snow
    and Windy



  • Sunday
    Night

    Sunday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Heavy Snow
    and Breezy



    • Overnight: Snow showers, mainly before 4am. Low around 29. Breezy, with a south southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Thursday: Snow showers. The snow could be heavy at times. High near 32. Windy, with a south wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Thursday Night: Snow showers. The snow could be heavy at times. Low around 28. Windy, with a south wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Friday: Snow showers. The snow could be heavy at times. High near 29. Windy, with a south southwest wind 20 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Friday Night: Snow showers. Low around 25. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Saturday: Snow showers. High near 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Saturday Night: A 40 percent chance of snow showers before 11pm. Partly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Sunday: A chance of snow after 11am. Partly sunny, with a high near 38. Windy.

    Sunday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 27. Breezy.

    Monday: Snow. The snow could be heavy at times. Cloudy, with a high near 31. Breezy.

    Monday Night: Snow. Mostly cloudy, with a low around 24. Breezy.

    Tuesday: Snow. Mostly cloudy, with a high near 30. Breezy.

    Tuesday Night: Snow likely. Mostly cloudy, with a low around 23. Breezy.

    Wednesday: Snow. The snow could be heavy at times. Mostly cloudy, with a high near 31.


    Mount St Helens WA
     46.18°N 122.18°W (Elev. 6204 ft)

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