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

BOULDER CREEK (BOFO3)

Lat: 44.72194°NLon: 122.00306°WElev: 3543.0ft.

NA

30°F

-1°C

Humidity 100%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 08:58 PM PST
Extended Forecast for

4 Miles WNW Mt Jefferson 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: Rain likely, mainly after 4am.  Snow level 4400 feet. Mostly cloudy, with a temperature rising to around 36 by 5am. Calm wind becoming east southeast around 6 mph after midnight.  Chance of precipitation is 60%.

    Low: 33 °F

    Partly Cloudy
    then Rain
    Likely

  • Christmas Day

    Christmas Day: Rain likely before 5pm, then a chance of rain and snow.  Snow level 5000 feet lowering to 4500 feet in the afternoon . Mostly cloudy, with a high near 42. South wind around 6 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow likely before 8pm, then snow after 10pm.  Low around 32. South wind 3 to 5 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow showers.  High near 35. West southwest wind 6 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers.  Low around 27. West wind around 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly before 10am.  Mostly cloudy, with a high near 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Sunday Night

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

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 4am. Snow level 4400 feet. Mostly cloudy, with a temperature rising to around 36 by 5am. Calm wind becoming east southeast around 6 mph after midnight. Chance of precipitation is 60%.
Christmas Day
Rain likely before 5pm, then a chance of rain and snow. Snow level 5000 feet lowering to 4500 feet in the afternoon . Mostly cloudy, with a high near 42. South wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Rain and snow likely before 8pm, then snow after 10pm. Low around 32. South wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers. High near 35. West southwest wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow showers. Low around 27. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Mt Jefferson OR
 44.7°N 121.88°W (Elev. 3783 ft)
9:46 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database