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 88%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 19 Sep 09:00 PM PDT
Extended Forecast for

3 Miles ENE Mount St Helens WA

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Calm wind becoming east northeast around 5 mph.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 11pm. Increasing clouds, with a low around 48. Northwest wind around 6 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Chance Rain

  • Sunday

    Sunday: Rain. High near 52. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. North wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 66. Calm wind becoming east northeast around 5 mph.
Saturday Night
A 40 percent chance of rain after 11pm. Increasing clouds, with a low around 48. Northwest wind around 6 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 52. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 43. North wind 3 to 7 mph.
Monday
Sunny, with a high near 63.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 70.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Thursday
A slight chance of rain. Mostly sunny, with a high near 57.
Thursday Night
A chance of rain. Partly cloudy, with a low around 48.
Friday
A chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount St Helens WA
 46.21°N 122.12°W (Elev. 3865 ft)
Last Update:
9:45 pm PDT Sep 19, 2025
Forecast Valid:
10pm PDT Sep 19, 2025-6pm PDT Sep 26, 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