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 Sep 11:00 AM PDT
Extended Forecast for

4 Miles SSE Mount St Helens WA

  • Overnight

    Overnight: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 59. Calm wind becoming west 5 to 8 mph in the morning.

    High: 59 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. North wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming west around 5 mph in the afternoon.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Calm wind.
Thursday
Increasing clouds, with a high near 59. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. Light and variable wind.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 63.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50.
Monday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 52.
Monday Night
Rain likely. Cloudy, with a low around 47.
Tuesday
Rain likely. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 46.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Mount St Helens WA
 46.14°N 122.17°W (Elev. 2710 ft)
Last Update:
2:45 am PDT Sep 25, 2025
Forecast Valid:
3am PDT Sep 25, 2025-6pm PDT Oct 1, 2025
 
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Additional Resources

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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