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 ESE 11 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 24 Dec 07:52 AM PST
Extended Forecast for

2 Miles WSW Mount St Helens WA

  • Today

    Today: Rain before noon, then rain, possibly mixed with snow. Snow level 6500 feet lowering to 3900 feet in the afternoon . Steady temperature around 36. Windy, with an east southeast wind 22 to 28 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Windy. Rain
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely after 4am. Increasing clouds, with a low around 31. Breezy, with an east wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Partly Cloudy
    then
    Rain/Snow
    Likely and
    Breezy

  • Christmas Day

    Christmas Day: Snow, possibly mixed with rain. Snow level 4700 feet. High near 37. Breezy, with a southeast wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 29. East southeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow showers. High near 33. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of snow showers before 10am. Mostly cloudy, with a high near 31. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain before noon, then rain, possibly mixed with snow. Snow level 6500 feet lowering to 3900 feet in the afternoon . Steady temperature around 36. Windy, with an east southeast wind 22 to 28 mph becoming south southwest in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow likely after 4am. Increasing clouds, with a low around 31. Breezy, with an east wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Christmas Day
Snow, possibly mixed with rain. Snow level 4700 feet. High near 37. Breezy, with a southeast wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 29. East southeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow showers. High near 33. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 30 percent chance of snow showers before 10am. Mostly cloudy, with a high near 31. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
A slight chance of rain. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mount St Helens WA
 46.17°N 122.24°W (Elev. 3921 ft)
Last Update:
7:41 am PST Dec 24, 2025
Forecast Valid:
8am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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