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

US26 EB at Brightwood Scales MP36.51 (ODT15)

Lat: 45.37633°NLon: 122.0348°WElev: 1083.0ft.

NA

38°F

3°C

Humidity 99%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 24 Dec 06:55 PM PST
Extended Forecast for

8 Miles SSW Brightwood OR

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

  • Tonight

    Tonight: A slight chance of rain and snow between 2am and 3am, then a chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 33. Breezy, with a south wind 6 to 15 mph becoming east in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Partly Cloudy
    then Chance
    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Rain before 5pm, then a chance of rain and snow. Snow level 5200 feet lowering to 4500 feet in the afternoon . High near 42. Breezy, with an east southeast wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow likely before 9pm, then snow likely after 10pm. Mostly cloudy, with a low around 33. Southeast wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow showers. High near 34. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers, mainly before 4am. Low around 28. Breezy, with a west wind around 17 mph, with gusts as high as 30 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, mainly before 10am. Mostly cloudy, with a high near 31. New snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow
    Showers then
    Slight 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 35.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow between 2am and 3am, then a chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 33. Breezy, with a south wind 6 to 15 mph becoming east in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Christmas Day
Rain before 5pm, then a chance of rain and snow. Snow level 5200 feet lowering to 4500 feet in the afternoon . High near 42. Breezy, with an east southeast wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow likely before 9pm, then snow likely after 10pm. Mostly cloudy, with a low around 33. Southeast wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow showers. High near 34. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow showers, mainly before 4am. Low around 28. Breezy, with a west wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 50 percent chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 31. 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 35.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
A slight chance of rain and snow showers. Snow level 5800 feet. Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Brightwood OR
 45.24°N 122.06°W (Elev. 3750 ft)
Last Update:
6:41 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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