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

42°F

6°C

Humidity 97%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 21 May 02:00 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Northwest wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level rising to 7200 feet in the afternoon. High near 35. West northwest wind 8 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers, becoming all snow after midnight. Low around 27. Windy, with a west wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Rain/Snow and
    Breezy then
    Snow Showers
    and Windy

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 31. Windy, with a west wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 31 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers. Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Snow Showers
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Northwest wind around 7 mph.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level rising to 7200 feet in the afternoon. High near 35. West northwest wind 8 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow showers, becoming all snow after midnight. Low around 27. Windy, with a west wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 31. Windy, with a west wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
A 50 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 36.
Friday Night
Snow showers. Mostly cloudy, with a low around 29. Breezy.
Saturday
Snow showers likely. Mostly cloudy, with a high near 32. Breezy.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Breezy.
Sunday
A chance of snow showers. Partly sunny, with a high near 39.
Sunday Night
A slight chance of rain and snow showers. Snow level 6600 feet. Partly cloudy, with a low around 34.
Memorial Day
A slight chance of showers. Snow level 6600 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
2:41 am PDT May 21, 2024
Forecast Valid:
3am PDT May 21, 2024-6pm PDT May 27, 2024
 
Forecast Discussion
 
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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