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 >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

39°F

4°C

Humidity 72%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 31 Mar 12:52 PM 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
  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly after 4pm.  Mostly cloudy, with a high near 33. South wind around 14 mph, with gusts as high as 21 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 25. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 25 °F

    Snow Likely
    then Heavy
    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow, mainly before 5pm, then snow showers after 5pm. The snow could be heavy at times. Some thunder is also possible.  High near 29. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

    High: 29 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers before 8pm, then snow after 8pm. The snow could be heavy at times. Some thunder is also possible.  Low around 24. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 24 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow.  High near 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow before 11pm.  Mostly cloudy, with a low around 23. Breezy.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 33. South wind around 14 mph, with gusts as high as 21 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. The snow could be heavy at times. Low around 25. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow, mainly before 5pm, then snow showers after 5pm. The snow could be heavy at times. Some thunder is also possible. High near 29. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Wednesday Night
Snow showers before 8pm, then snow after 8pm. The snow could be heavy at times. Some thunder is also possible. Low around 24. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow. High near 30. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 23. Breezy. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
12:41 pm PDT Mar 31, 2026
1pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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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