National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

NA

N/A

Humidity 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

Mount St Helens WA

  • Today

    Today: A slight chance of showers between 2pm and 5pm. Snow level 7100 feet. Mostly sunny, with a high near 43. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 10pm. Snow level 7100 feet. Increasing clouds, with a low around 39. Northwest wind 3 to 8 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. Snow level 7600 feet lowering to 7000 feet in the afternoon . High near 40. West northwest wind 5 to 8 mph. Chance of precipitation is 80%.

    High: 40 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers, mixing with snow after 8pm, then gradually ending. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 37. Light and variable wind becoming north northeast 5 to 7 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 47. East northeast wind 5 to 10 mph becoming light east southeast in the morning.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Clear
    then Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. Breezy.

    Low: 42 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Today
A slight chance of showers between 2pm and 5pm. Snow level 7100 feet. Mostly sunny, with a high near 43. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 10pm. Snow level 7100 feet. Increasing clouds, with a low around 39. Northwest wind 3 to 8 mph. Chance of precipitation is 70%.
Saturday
Showers. Snow level 7600 feet lowering to 7000 feet in the afternoon . High near 40. West northwest wind 5 to 8 mph. Chance of precipitation is 80%.
Saturday Night
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 37. Light and variable wind becoming north northeast 5 to 7 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 47. East northeast wind 5 to 10 mph becoming light east southeast in the morning.
Sunday Night
Mostly clear, with a low around 39. Breezy.
Monday
Sunny, with a high near 52. Breezy.
Monday Night
Clear, with a low around 42. Breezy.
Tuesday
Sunny, with a high near 53. Breezy.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
A chance of rain and snow showers. Snow level 6600 feet. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain and snow showers. Snow level 6600 feet. Mostly cloudy, with a low around 39.
Thursday
A chance of rain and snow showers. Snow level 6700 feet. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
11:41 am PDT Oct 3, 2025
Forecast Valid:
11am PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation