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 >

Hazardous Weather Conditions

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 25 Dec 12:52 PM PST
Extended Forecast for

6 Miles N Mount St Helens WA

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly after 4pm. Snow level 4300 feet. Partly sunny, with a high near 42. South wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and snow before 1am, then snow likely. Snow level 3600 feet lowering to 3300 feet after midnight . Mostly cloudy, with a low around 32. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Snow showers. The snow could be heavy at times. Temperature rising to near 35 by 9am, then falling to around 31 during the remainder of the day. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F⇓

    Heavy Snow

  • Friday Night

    Friday Night: Snow showers. Low around 28. Breezy, with a west wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow Showers
    and Breezy

  • Saturday

    Saturday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 32. West northwest wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Sunday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
A 30 percent chance of rain, mainly after 4pm. Snow level 4300 feet. Partly sunny, with a high near 42. South wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain and snow before 1am, then snow likely. Snow level 3600 feet lowering to 3300 feet after midnight . Mostly cloudy, with a low around 32. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers. The snow could be heavy at times. Temperature rising to near 35 by 9am, then falling to around 31 during the remainder of the day. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow showers. Low around 28. Breezy, with a west wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 32. West northwest wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Mount St Helens WA
 46.27°N 122.2°W (Elev. 3264 ft)
Last Update:
12:46 pm PST Dec 25, 2025
Forecast Valid:
1pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation