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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

44°F

7°C

Humidity 100%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 28 Nov 12:52 AM PST
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Snow. The snow could be heavy at times. Steady temperature around 33. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.

    Low: 33 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: A 30 percent chance of snow, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 34. North wind 5 to 10 mph becoming east in the afternoon. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 30. Windy, with an east southeast wind 16 to 25 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 31. Windy, with a south southeast wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 10pm. Partly cloudy, with a low around 23. East southeast wind 8 to 11 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow, mainly after 10am. Partly sunny, with a high near 31.

    High: 31 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Likely

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 33. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.
Friday
A 30 percent chance of snow, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 34. North wind 5 to 10 mph becoming east in the afternoon. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a steady temperature around 30. Windy, with an east southeast wind 16 to 25 mph, with gusts as high as 31 mph.
Saturday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 31. Windy, with a south southeast wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before 10pm. Partly cloudy, with a low around 23. East southeast wind 8 to 11 mph. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A chance of snow, mainly after 10am. Partly sunny, with a high near 31.
Monday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 27.
Tuesday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 30.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of snow. Partly sunny, with a high near 29.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
1:00 am PST Nov 28, 2025
Forecast Valid:
1am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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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