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

Mount St Helens WA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Snow level 8100 feet. Steady temperature around 41. Southwest wind around 5 mph. Chance of precipitation is 90%.

    High: 41 °F

    Showers

  • Tonight

    Tonight: Rain and snow showers likely before midnight, then a slight chance of snow showers between midnight and 1am. Some thunder is also possible. Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 37. Southwest wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers between 1pm and 3pm, then rain and snow showers. The rain could be heavy at times. High near 41. Breezy, with a south wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Breezy.
    Partly Sunny
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain showers before 2am, then rain, possibly mixed with snow showers. The rain could be heavy at times. Some thunder is also possible. Snow level 7300 feet lowering to 6700 feet after midnight . Low around 38. Breezy, with a south wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 38 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers. Some thunder is also possible. High near 42. Breezy, with a south wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm. Low around 38. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers before 2pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6700 feet. High near 42. Breezy. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Snow Showers
    and Breezy
    then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Snow level 7000 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow showers. Snow level 6900 feet. Mostly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Snow level 8100 feet. Steady temperature around 41. Southwest wind around 5 mph. Chance of precipitation is 90%.
Tonight
Rain and snow showers likely before midnight, then a slight chance of snow showers between midnight and 1am. Some thunder is also possible. Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 37. Southwest wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of snow showers between 1pm and 3pm, then rain and snow showers. The rain could be heavy at times. High near 41. Breezy, with a south wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain showers before 2am, then rain, possibly mixed with snow showers. The rain could be heavy at times. Some thunder is also possible. Snow level 7300 feet lowering to 6700 feet after midnight . Low around 38. Breezy, with a south wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 42. Breezy, with a south wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Low around 38. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Snow showers before 2pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6700 feet. High near 42. Breezy. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A chance of showers before 11pm. Snow level 7000 feet. Mostly cloudy, with a low around 38.
Friday
A slight chance of rain and snow showers. Snow level 6900 feet. Mostly sunny, with a high near 43.
Friday Night
A slight chance of rain showers before 11pm, then a chance of rain and snow showers. Snow level 7500 feet. Mostly cloudy, with a low around 40.
Saturday
A chance of rain and snow showers. Snow level 7100 feet lowering to 6600 feet. Partly sunny, with a high near 41.
Saturday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
4:41 pm PDT Sep 29, 2025
Forecast Valid:
5pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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Chance of Precipitation