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

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 40%.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers after 10pm. Low around 53. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Tuesday

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

    High: 58 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Calm wind.
Monday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 40%.
Monday Night
Showers and thunderstorms likely, then showers after 10pm. Low around 53. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 58. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 61.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 52.
Thursday
A slight chance of showers after 11am. Partly sunny, with a high near 64.
Thursday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 53.
Friday
A slight chance of showers after 11am. Partly sunny, with a high near 66.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Partly sunny, with a high near 69.
Saturday Night
Showers likely. Mostly cloudy, with a low around 54.
Sunday
A chance of showers. Mostly cloudy, with a high near 60.
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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 pm PDT Sep 7, 2025
Forecast Valid:
7pm PDT Sep 7, 2025-6pm PDT Sep 14, 2025
 
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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