National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

NA

37°F

3°C

Humidity 66%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 31 Mar 09:52 AM PDT
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory April 1, 05:00am until April 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 33. South southwest wind around 14 mph, with gusts as high as 20 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after midnight. The snow could be heavy at times. Low around 26. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 26 °F

    Chance Snow
    then Heavy
    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 29. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 29 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Low around 25. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 25 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers. High near 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 21. Breezy. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers. Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 33. South southwest wind around 14 mph, with gusts as high as 20 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly after midnight. The snow could be heavy at times. Low around 26. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 29. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 25. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. High near 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 21. Breezy. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow showers. Mostly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A slight chance of rain. Snow level 6400 feet. Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
10:41 am PDT Mar 31, 2026
Forecast Valid:
10am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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