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

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 21 Jun 06:00 PM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northwest wind around 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. West northwest wind 5 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Northwest wind 7 to 9 mph becoming south southwest after midnight.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. West wind 5 to 11 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. West northwest wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Snow level 8000 feet rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northwest wind around 7 mph.
Monday
Mostly sunny, with a high near 54. West northwest wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 46. Northwest wind 7 to 9 mph becoming south southwest after midnight.
Tuesday
Increasing clouds, with a high near 57. West wind 5 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 43. West northwest wind 8 to 14 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Thursday
A chance of showers. Snow level 8000 feet rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 45.
Thursday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 43.
Friday
A slight chance of showers. Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
3:21 am PDT Jun 23, 2025
Forecast Valid:
3am PDT Jun 23, 2025-6pm PDT Jun 29, 2025
 
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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