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: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 59. South wind around 7 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. Increasing clouds, with a low around 50. South wind around 6 mph, with gusts as high as 21 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 61. 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: 61 °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 49.

    Low: 49 °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 57.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 63.

    High: 63 °F

    Becoming
    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 59. South wind around 7 mph. Chance of precipitation is 60%.
Tonight
A chance of showers before 8pm, then a slight chance of showers after 11pm. Increasing clouds, with a low around 50. South wind around 6 mph, with gusts as high as 21 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 61. 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 49.
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 57.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Mossyrock WA
 46.36°N 122.58°W (Elev. 1184 ft)
Last Update:
3:41 pm PDT Oct 1, 2025
Forecast Valid:
3pm PDT Oct 1, 2025-6pm PDT Oct 7, 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