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

57°F

14°C

Humidity 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

4 Miles SSE Mount St Helens WA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 52. Calm wind. Chance of precipitation is 90%.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 44. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers, mainly after 3pm. High near 52. South southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Partly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 11pm. Low around 46. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 49. South wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 52. Calm wind. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 44. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers, mainly after 3pm. High near 52. South southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 11pm. Low around 46. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 49. South wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers. Low around 46. Chance of precipitation is 80%.
Thursday
Showers, with thunderstorms also possible after 11am. High near 49. Chance of precipitation is 90%.
Thursday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 45.
Friday
A slight chance of showers. Mostly sunny, with a high near 53.
Friday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Partly sunny, with a high near 51.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Mount St Helens WA
 46.14°N 122.17°W (Elev. 2710 ft)
Last Update:
4:41 pm PDT Sep 29, 2025
Forecast Valid:
5pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation