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 84%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 30 Aug 07:00 PM PDT
Extended Forecast for

8 Miles NNW Mount St Helens WA

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Widespread haze before 11am. Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Haze then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67. Light and variable wind.
Tonight
Partly cloudy, with a low around 51. Calm wind.
Saturday
Widespread haze before 11am. Mostly sunny, with a high near 72. Calm wind.
Saturday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. Calm wind.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Thursday
A slight chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount St Helens WA
 46.3°N 122.27°W (Elev. 2936 ft)
Last Update:
6:41 am PDT Sep 12, 2025
Forecast Valid:
7am PDT Sep 12, 2025-6pm PDT Sep 18, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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