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

8 Miles NNW Mount St Helens WA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 53. Calm wind. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers, mainly after 3pm. High near 57. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Mostly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 11pm. Low around 46. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 52. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °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 52. Chance of precipitation is 90%.

    High: 52 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 53. Calm wind. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, mainly after 3pm. High near 57. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 11pm. Low around 46. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 52. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half 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 52. Chance of precipitation is 90%.
Thursday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44.
Friday
A slight chance of showers. Mostly sunny, with a high near 57.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Partly sunny, with a high near 54.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 63.
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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:
4:41 pm PDT Sep 29, 2025
Forecast Valid:
4pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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