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

66°F

19°C

Humidity 76%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 30 Jul 08:00 AM PDT
Extended Forecast for

8 Miles NNW Mount St Helens WA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. Light north wind.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A slight chance of showers. Partly sunny, with a high near 64.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 49.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount St Helens WA
 46.3°N 122.27°W (Elev. 2936 ft)
Last Update:
8:51 am PDT Jul 30, 2025
Forecast Valid:
9am PDT Jul 30, 2025-6pm PDT Aug 5, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation