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 chance of rain and snow showers after 11am. Snow level 6500 feet. Mostly cloudy, with a high near 40. South southwest wind 5 to 10 mph becoming light in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers, mainly before 8pm. Snow level 6400 feet. Partly cloudy, with a low around 37. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 44. West northwest wind 3 to 6 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 39. West northwest wind around 6 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly between 11am and 2pm, then a chance of showers after 2pm. Snow level 6800 feet. Partly sunny, with a high near 41. West northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. Breezy.

    Low: 40 °F

    Clear and
    Breezy

  • Monday

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

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Today
A chance of rain and snow showers after 11am. Snow level 6500 feet. Mostly cloudy, with a high near 40. South southwest wind 5 to 10 mph becoming light in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers, mainly before 8pm. Snow level 6400 feet. Partly cloudy, with a low around 37. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 44. West northwest wind 3 to 6 mph.
Friday Night
A 20 percent chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 39. West northwest wind around 6 mph.
Saturday
A chance of rain, mainly between 11am and 2pm, then a chance of showers after 2pm. Snow level 6800 feet. Partly sunny, with a high near 41. West northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 49.
Sunday Night
Clear, with a low around 40. Breezy.
Monday
Sunny, with a high near 52. Breezy.
Monday Night
Clear, with a low around 43. Breezy.
Tuesday
Sunny, with a high near 55. Breezy.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
7:41 am PDT Oct 2, 2025
Forecast Valid:
8am PDT Oct 2, 2025-6pm PDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation