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 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

6 Miles E Mount St Helens WA

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Partly cloudy, with a low around 42. North wind 3 to 6 mph.

    Low: 42 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. North wind around 5 mph becoming calm in the morning.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. Calm wind becoming east northeast 5 to 8 mph in the evening.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%.
Saturday
Showers likely, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers before 11pm. Partly cloudy, with a low around 42. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 64. North wind around 5 mph becoming calm in the morning.
Sunday Night
Clear, with a low around 44. Calm wind becoming east northeast 5 to 8 mph in the evening.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 65.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Mount St Helens WA
 46.18°N 122.05°W (Elev. 1693 ft)
Last Update:
7:41 pm PDT Oct 3, 2025
Forecast Valid:
8pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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