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

Mount St Helens WA

  • Overnight

    Overnight: Showers likely, mainly after 5am. Snow level 7600 feet. Mostly cloudy, with a low around 39. West northwest wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly between 11am and 2pm. Snow level 7200 feet. Partly sunny, with a high near 41. West northwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Snow level 6600 feet. Partly cloudy, with a low around 36. North wind 5 to 7 mph becoming light and variable after midnight.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48. East northeast wind around 6 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Breezy, with an east wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Mostly Clear
    then Clear
    and Breezy

  • Monday

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

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Breezy.

    Low: 43 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Snow level 7600 feet. Mostly cloudy, with a low around 39. West northwest wind 6 to 9 mph. Chance of precipitation is 70%.
Saturday
Showers likely, mainly between 11am and 2pm. Snow level 7200 feet. Partly sunny, with a high near 41. West northwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of showers before 11pm. Snow level 6600 feet. Partly cloudy, with a low around 36. North wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 48. East northeast wind around 6 mph.
Sunday Night
Clear, with a low around 39. Breezy, with an east wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 52. Breezy.
Monday Night
Clear, with a low around 43. Breezy.
Tuesday
Sunny, with a high near 54. Breezy.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
A chance of rain and snow showers, mainly after 11am. Snow level 6500 feet. Mostly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow showers. Snow level 6700 feet. Mostly cloudy, with a low around 40.
Thursday
A chance of rain and snow showers. Snow level 6800 feet. Partly sunny, with a high near 49.
Thursday Night
A chance of rain and snow showers. Snow level 7000 feet. Mostly cloudy, with a low around 42.
Friday
A chance of rain and snow showers. Snow level 6500 feet. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
1:41 am PDT Oct 4, 2025
Forecast Valid:
1am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
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Additional Resources

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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