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

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

NA

34°F

1°C

Humidity 98%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 25 Dec 03:25 AM PST
Extended Forecast for

15 Miles ESE 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

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 33. East wind around 6 mph.

    Low: 33 °F

    Chance Rain

  • Christmas Day

    Christmas Day: Rain, mainly before 3pm. High near 43. East southeast wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain between 2am and 4am, then showers likely after 4am. Patchy fog between 2am and 5am. Snow level 3700 feet lowering to 3100 feet after midnight . Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers, mainly before 4pm. Patchy fog before 7am. Snow level 2700 feet. High near 38. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Snow showers, possibly mixed with rain, becoming all snow after 7pm. Low around 30. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow
    Showers

  • Saturday

    Saturday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 26.

    Low: 26 °F

    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Sunday Night

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

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 33. East wind around 6 mph.
Christmas Day
Rain, mainly before 3pm. High near 43. East southeast wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain between 2am and 4am, then showers likely after 4am. Patchy fog between 2am and 5am. Snow level 3700 feet lowering to 3100 feet after midnight . Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 4pm. Patchy fog before 7am. Snow level 2700 feet. High near 38. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Snow showers, possibly mixed with rain, becoming all snow after 7pm. Low around 30. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.
Saturday Night
Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 42.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Mount St Helens WA
 46.11°N 121.91°W (Elev. 1818 ft)
Last Update:
3:45 am PST Dec 25, 2025
Forecast Valid:
4am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation