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

5 Miles ESE Mount St Helens WA

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 51. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 7pm and 8pm. Mostly cloudy, with a steady temperature around 48. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 51. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly between 7pm and 8pm. Mostly cloudy, with a steady temperature around 48. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. Calm wind.
Friday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 55.
Friday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.
Saturday
A slight chance of showers. Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount St Helens WA
 46.17°N 122.08°W (Elev. 2575 ft)
Last Update:
2:46 am PDT Oct 1, 2025
Forecast Valid:
3am PDT Oct 1, 2025-6pm PDT Oct 7, 2025
 
Forecast Discussion
 
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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