NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 12:01 am PDT Jul 23, 2019
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  • Overnight

    Overnight: Mostly clear, with a low around 47. Northwest wind around 8 mph.

    Mostly Clear



    Low: 47 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 54. Northwest wind 6 to 9 mph.

    Slight Chance
    T-storms


    High: 54 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then patchy drizzle after 5am.  Mostly cloudy, with a low around 42. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Patchy
    Drizzle

    Low: 42 °F

  • Wednesday

    Wednesday: Patchy drizzle before 8am.  Mostly sunny, with a high near 54. North northwest wind around 8 mph.

    Patchy
    Drizzle then
    Sunny

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 45. North northeast wind 7 to 11 mph, with gusts as high as 18 mph.

    Mostly Clear



    Low: 45 °F

  • Thursday

    Thursday: Sunny, with a high near 58.

    Sunny



    High: 58 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 47.

    Clear



    Low: 47 °F

  • Friday

    Friday: Sunny, with a high near 56.

    Sunny



    High: 56 °F

  • Friday
    Night

    Friday Night: Occasional rain after 11pm.  Partly cloudy, with a low around 46.

    Rain



    Low: 46 °F

  • Overnight: Mostly clear, with a low around 47. Northwest wind around 8 mph.

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 54. Northwest wind 6 to 9 mph.

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then patchy drizzle after 5am. Mostly cloudy, with a low around 42. West northwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Wednesday: Patchy drizzle before 8am. Mostly sunny, with a high near 54. North northwest wind around 8 mph.

    Wednesday Night: Mostly clear, with a low around 45. North northeast wind 7 to 11 mph, with gusts as high as 18 mph.

    Thursday: Sunny, with a high near 58.

    Thursday Night: Clear, with a low around 47.

    Friday: Sunny, with a high near 56.

    Friday Night: Occasional rain after 11pm. Partly cloudy, with a low around 46.

    Saturday: Occasional rain before 11am. Mostly sunny, with a high near 56.

    Saturday Night: Mostly clear, with a low around 43.

    Sunday: Sunny, with a high near 55.

    Sunday Night: Mostly clear, with a low around 45.

    Monday: Mostly sunny, with a high near 57.



    Mount St Helens WA
     46.2°N 122.21°W (Elev. 6598 ft)

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