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 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 21 Jun 06:00 PM PDT
Extended Forecast for

Mount St Helens WA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 4pm. Partly sunny, with a high near 48. West wind 8 to 11 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Snow level 8200 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Snow level 7500 feet rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 44. West wind 6 to 9 mph.

    High: 44 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 40. West wind 6 to 10 mph.

    Low: 40 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West wind around 7 mph.
Wednesday
A slight chance of showers between 11am and 4pm. Partly sunny, with a high near 48. West wind 8 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers. Snow level 8200 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 41. West wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday
A 40 percent chance of showers. Snow level 7500 feet rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 44. West wind 6 to 9 mph.
Thursday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 40. West wind 6 to 10 mph.
Friday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 55.
Saturday Night
Clear, with a low around 44.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 64.
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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:
10:46 pm PDT Jun 24, 2025
Forecast Valid:
11pm PDT Jun 24, 2025-6pm PDT Jul 1, 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