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

4 Miles WSW Mount St Helens WA

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers, mainly after 3pm. High near 53. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Partly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 11pm. Low around 45. Breezy, with a south wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 47. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 45. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, mainly after 3pm. High near 53. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 11pm. Low around 45. Breezy, with a south wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 47. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 45. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, with thunderstorms also possible after 11am. High near 48. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 46.
Friday
A slight chance of showers. Mostly sunny, with a high near 53.
Friday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45.
Saturday
A chance of showers, mainly before 11am. Partly sunny, with a high near 50.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount St Helens WA
 46.17°N 122.27°W (Elev. 3166 ft)
Last Update:
5:45 pm PDT Sep 29, 2025
Forecast Valid:
6pm PDT Sep 29, 2025-6pm PDT Oct 6, 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