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 7 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 24 Dec 10:52 AM PST
Extended Forecast for

8 Miles W Mount St Helens WA

  • Today

    Today: Rain before 5pm, then a chance of rain and snow. Snow level 5000 feet lowering to 3900 feet. Temperature falling to around 37 by 4pm. Breezy, with a southeast wind 17 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F⇓

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Snow level 3300 feet rising to 4100 feet after midnight. Increasing clouds, with a low around 34. East southeast wind 6 to 10 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Christmas Day

    Christmas Day: Rain, mainly after 10am. Snow level 5200 feet lowering to 4500 feet in the afternoon . High near 40. Southeast wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then a chance of rain and snow. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 32. East southeast wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Snow showers. High near 36. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 31 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of snow showers before 10am. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain before 5pm, then a chance of rain and snow. Snow level 5000 feet lowering to 3900 feet. Temperature falling to around 37 by 4pm. Breezy, with a southeast wind 17 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
A 30 percent chance of rain after 4am. Snow level 3300 feet rising to 4100 feet after midnight. Increasing clouds, with a low around 34. East southeast wind 6 to 10 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Rain, mainly after 10am. Snow level 5200 feet lowering to 4500 feet in the afternoon . High near 40. Southeast wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before 10pm, then a chance of rain and snow. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 32. East southeast wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow showers. High near 36. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
A 30 percent chance of snow showers before 10am. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Mount St Helens WA
 46.2°N 122.37°W (Elev. 3205 ft)
Last Update:
11:41 am PST Dec 24, 2025
Forecast Valid:
11am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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Chance of Precipitation