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: 8:41 pm PDT May 30, 2024
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  • Tonight

    Tonight: Clear, with a low around -1. North northwest wind 16 to 18 km/h.

    Low: -1 °C

    Clear




  • Friday

    Friday: Sunny, with a high near 10. Northeast wind 8 to 14 km/h becoming west southwest in the afternoon.

    High: 10 °C

    Sunny




  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 4. West northwest wind 10 to 16 km/h.

    Low: 4 °C

    Mostly Cloudy




  • Saturday

    Saturday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 7. West southwest wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 29 km/h.

    High: 7 °C

    Slight Chance
    Rain



  • Saturday
    Night

    Saturday Night: A 40 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 2. West wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 32 km/h.

    Low: 2 °C

    Chance Rain




  • Sunday

    Sunday: Rain, mainly after 11am.  High near 4. Chance of precipitation is 90%.

    High: 4 °C

    Rain




  • Sunday
    Night

    Sunday Night: Rain. The rain could be heavy at times.  Low around 1. Breezy.  Chance of precipitation is 100%.

    Low: 1 °C

    Heavy Rain
    and Breezy



  • Monday

    Monday: Rain showers before 8am, then rain and snow showers between 8am and 11am, then snow showers after 11am. Some thunder is also possible.  Cloudy, with a high near 3. Breezy.

    High: 3 °C

    Breezy.
    Rain/Snow
    then Snow
    Showers

  • Monday
    Night

    Monday Night: Snow showers before 2am, then rain and snow showers likely. Some thunder is also possible.  Mostly cloudy, with a low around 0. Breezy.

    Low: 0 °C

    Snow Showers
    and Breezy
    then
    Rain/Snow
    Likely

  • Tonight: Clear, with a low around -1. North northwest wind 16 to 18 km/h.

    Friday: Sunny, with a high near 10. Northeast wind 8 to 14 km/h becoming west southwest in the afternoon.

    Friday Night: Mostly cloudy, with a low around 4. West northwest wind 10 to 16 km/h.

    Saturday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 7. West southwest wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 29 km/h.

    Saturday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 2. West wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 32 km/h.

    Sunday: Rain, mainly after 11am. High near 4. Chance of precipitation is 90%.

    Sunday Night: Rain. The rain could be heavy at times. Low around 1. Breezy. Chance of precipitation is 100%.

    Monday: Rain showers before 8am, then rain and snow showers between 8am and 11am, then snow showers after 11am. Some thunder is also possible. Cloudy, with a high near 3. Breezy.

    Monday Night: Snow showers before 2am, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 0. Breezy.

    Tuesday: Rain likely, possibly mixed with snow showers before 11am, then a chance of rain showers. Mostly cloudy, with a high near 5.

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 3.

    Wednesday: A chance of showers. Mostly sunny, with a high near 11.

    Wednesday Night: Mostly clear, with a low around 4.

    Thursday: Sunny, with a high near 15.



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

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