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 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

12 Miles SSW Mossyrock WA

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 59. South wind around 5 mph. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers before 8pm, then a slight chance of showers after 11pm. Partly cloudy, with a low around 50. South southeast wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 11am, then a chance of showers after noon. Partly sunny, with a high near 62. South wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers. Increasing clouds, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 11am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 64.

    High: 64 °F

    Becoming
    Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 59. South wind around 5 mph. Chance of precipitation is 60%.
Tonight
A chance of showers before 8pm, then a slight chance of showers after 11pm. Partly cloudy, with a low around 50. South southeast wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 11am, then a chance of showers after noon. Partly sunny, with a high near 62. South wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 46. Calm wind.
Friday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 60. Calm wind.
Friday Night
A 20 percent chance of showers. Increasing clouds, with a low around 48.
Saturday
A 30 percent chance of showers, mainly after 11am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Mossyrock WA
 46.37°N 122.55°W (Elev. 1158 ft)
Last Update:
4:45 pm PDT Oct 1, 2025
Forecast Valid:
5pm PDT Oct 1, 2025-6pm PDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation