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

N/A

Humidity 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

10 Miles NW Cougar WA

  • Today

    Today: Showers. High near 46. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly after 3am. Snow level 5400 feet. Mostly cloudy, with a low around 41. South wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. Snow level 5400 feet. High near 43. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Snow level 5800 feet lowering to 4500 feet after midnight . Low around 39. West southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. Snow level 4200 feet. High near 42. Southwest wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 42 °F

    Showers

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow showers. Snow level 4200 feet lowering to 3600 feet. Low around 39. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Columbus Day

    Columbus Day: Rain likely, possibly mixed with snow showers, becoming all rain after 8am. Snow level 4100 feet rising to 4900 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 46. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 11pm. Snow level 5200 feet. Mostly clear, with a low around 39. Breezy.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Today
Showers. High near 46. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly after 3am. Snow level 5400 feet. Mostly cloudy, with a low around 41. South wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. Snow level 5400 feet. High near 43. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers. Snow level 5800 feet lowering to 4500 feet after midnight . Low around 39. West southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. Snow level 4200 feet. High near 42. Southwest wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain, possibly mixed with snow showers. Snow level 4200 feet lowering to 3600 feet. Low around 39. Chance of precipitation is 90%. Little or no snow accumulation expected.
Columbus Day
Rain likely, possibly mixed with snow showers, becoming all rain after 8am. Snow level 4100 feet rising to 4900 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 46. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A slight chance of showers before 11pm. Snow level 5200 feet. Mostly clear, with a low around 39. Breezy.
Tuesday
Sunny, with a high near 52. Breezy.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Cougar WA
 46.14°N 122.45°W (Elev. 3376 ft)
Last Update:
9:41 am PDT Oct 10, 2025
Forecast Valid:
10am PDT Oct 10, 2025-6pm PDT Oct 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation