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

  • Today

    Today: Sunny, with a high near 40. Breezy, with an east wind 10 to 15 mph becoming light northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Clear, with a steady temperature around 36. Light east northeast wind increasing to 9 to 14 mph in the evening.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northeast wind 8 to 13 mph becoming light and variable.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Calm wind becoming north around 6 mph after midnight.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38. North wind 5 to 7 mph becoming west in the morning.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow showers, mainly after 11pm. Snow level 7300 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 8am, then a chance of snow showers. Partly sunny, with a high near 38. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow, mainly after 11am. Snow level 7500 feet rising to 9500 feet in the afternoon. Partly sunny, with a high near 41.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 40. Breezy, with an east wind 10 to 15 mph becoming light northeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Clear, with a steady temperature around 36. Light east northeast wind increasing to 9 to 14 mph in the evening.
Wednesday
Sunny, with a high near 42. Northeast wind 8 to 13 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 33. Calm wind becoming north around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 38. North wind 5 to 7 mph becoming west in the morning.
Thursday Night
A chance of rain and snow showers, mainly after 11pm. Snow level 7300 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 8am, then a chance of snow showers. Partly sunny, with a high near 38. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A chance of rain and snow, mainly after 11am. Snow level 7500 feet rising to 9500 feet in the afternoon. Partly sunny, with a high near 41.
Saturday Night
Snow, possibly mixed with rain. The snow could be heavy at times. Snow level 9600 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 31. Breezy.
Sunday
Snow showers. The snow could be heavy at times. Cloudy, with a high near 35. Breezy.
Sunday Night
Snow showers. Mostly cloudy, with a low around 30.
Monday
Snow showers likely. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
3:45 am PDT Oct 14, 2025
Forecast Valid:
4am PDT Oct 14, 2025-6pm PDT Oct 20, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation