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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

39°F

4°C

Humidity 100%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 24 Dec 02:52 PM PST
Extended Forecast for

Mount St Helens WA

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers, mainly before 5pm. Mostly cloudy, with a steady temperature around 28. Breezy, with a southwest wind around 17 mph, with gusts as high as 28 mph. Total daytime snow accumulation of 3 to 7 inches possible.

    High: 28 °F

    Chance Snow
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Windy, with a south southwest wind 11 to 16 mph becoming southeast 18 to 23 mph after midnight. Winds could gust as high as 32 mph.

    Low: 23 °F

    Mostly Cloudy
    and Windy

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 30. Windy, with a south wind 21 to 26 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Heavy Snow
    and Windy
    then Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly between 10pm and 4am, then snow showers after 4am. Low around 24. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    and Breezy

  • Friday

    Friday: Snow showers. The snow could be heavy at times. High near 26. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow showers, mainly before 4am. The snow could be heavy at times. Low around 20. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 20 °F

    Heavy Snow
    and Windy

  • Saturday

    Saturday: A 50 percent chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 23. Blustery. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow
    Showers and
    Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers, mainly before 5pm. Mostly cloudy, with a steady temperature around 28. Breezy, with a southwest wind around 17 mph, with gusts as high as 28 mph. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Mostly cloudy, with a low around 23. Windy, with a south southwest wind 11 to 16 mph becoming southeast 18 to 23 mph after midnight. Winds could gust as high as 32 mph.
Christmas Day
Snow. The snow could be heavy at times. High near 30. Windy, with a south wind 21 to 26 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly between 10pm and 4am, then snow showers after 4am. Low around 24. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers. The snow could be heavy at times. High near 26. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow showers, mainly before 4am. The snow could be heavy at times. Low around 20. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 50 percent chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 23. Blustery. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 19. Blustery.
Monday
Partly sunny, with a high near 31. Blustery.
Monday Night
Partly cloudy, with a low around 23. Blustery.
Tuesday
Partly sunny, with a high near 33. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
3:00 pm PST Dec 24, 2025
Forecast Valid:
3pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation