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

Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

37°F

3°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 25 Nov 11:52 PM PST
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Rain and freezing rain, possibly mixed with snow before 2am, then rain likely, possibly mixed with snow. Snow level 7300 feet. Low around 26. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Wintry Mix
    and Breezy

  • Wednesday

    Wednesday: A chance of snow before 3pm, then rain, possibly mixed with snow. High near 35. South southwest wind 5 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Snow level 7700 feet lowering to 6700 feet after midnight . Low around 30. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Thanksgiving Day

    Thanksgiving Day: Snow. The snow could be heavy at times. High near 32. Windy, with a southeast wind 17 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 29. Breezy, with an east southeast wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 29 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow likely, mainly before 10am. Partly sunny, with a high near 32. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 26. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 30.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow. Partly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Rain and freezing rain, possibly mixed with snow before 2am, then rain likely, possibly mixed with snow. Snow level 7300 feet. Low around 26. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow before 3pm, then rain, possibly mixed with snow. High near 35. South southwest wind 5 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Snow level 7700 feet lowering to 6700 feet after midnight . Low around 30. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thanksgiving Day
Snow. The snow could be heavy at times. High near 32. Windy, with a southeast wind 17 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 29. Breezy, with an east southeast wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow likely, mainly before 10am. Partly sunny, with a high near 32. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26. Little or no snow accumulation expected.
Saturday
A chance of snow. Partly sunny, with a high near 30.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 30. Blustery.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Monday
A chance of snow. Partly sunny, with a high near 31.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
Snow likely. Mostly cloudy, with a high near 30.
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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:
12:41 am PST Nov 26, 2025
Forecast Valid:
12am PST Nov 26, 2025-6pm PST Dec 2, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation