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

47°F

8°C

Humidity 98%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 21 May 05:00 PM PDT
Extended Forecast for

Mount St Helens WA

  • Tonight

    Tonight: Rain and snow showers before 11pm, then a chance of snow showers. The snow could be heavy at times. Low around 25. Windy, with a west wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Rain/Snow and
    Breezy then
    Heavy Snow
    and Windy

  • Wednesday

    Wednesday: Snow showers, mainly before 3pm. The snow could be heavy at times. High near 31. Windy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

    High: 31 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 29. Blustery, with a west wind 9 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    Showers and
    Blustery then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. West wind around 9 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow showers before 11am, then a chance of rain and snow showers. Partly sunny, with a high near 37. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely. Mostly cloudy, with a high near 33. Breezy.

    High: 33 °F

    Snow Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Tonight
Rain and snow showers before 11pm, then a chance of snow showers. The snow could be heavy at times. Low around 25. Windy, with a west wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers, mainly before 3pm. The snow could be heavy at times. High near 31. Windy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.
Wednesday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 29. Blustery, with a west wind 9 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 37. West wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
A slight chance of snow showers before 11am, then a chance of rain and snow showers. Partly sunny, with a high near 37. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow showers likely. Mostly cloudy, with a high near 33. Breezy.
Saturday Night
A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 30. Breezy.
Sunday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 39.
Sunday Night
A slight chance of rain and snow showers. Snow level 6800 feet. Mostly cloudy, with a low around 34.
Memorial Day
A slight chance of showers. Snow level 6900 feet rising to 7800 feet in the afternoon. Mostly sunny, with a high near 48.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 37.
Tuesday
A chance of showers. Partly sunny, with a high near 48.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
5:41 pm PDT May 21, 2024
Forecast Valid:
6pm PDT May 21, 2024-6pm PDT May 28, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation