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

GERBER RESERVOIR (GRBO3)

Lat: 42.20597°NLon: 121.13806°WElev: 4950.0ft.

NA

37°F

3°C

Humidity 81%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 24 Dec 08:45 PM PST
Extended Forecast for

6 Miles E Bly OR

Wind Advisory December 25, 01:00am until December 25, 01:00pm
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Rain likely, possibly mixed with snow, mainly after 5am.  Snow level 5000 feet rising to 5600 feet. Mostly cloudy, with a steady temperature around 35. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Christmas Day

    Christmas Day: Rain and snow likely before 1pm, then snow.  Snow level 5400 feet lowering to 4800 feet in the afternoon . High near 41. Breezy, with a south wind 18 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow, mainly before 4am.  Low around 26. South wind around 10 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow

  • Friday

    Friday: Snow likely, mainly between 10am and 4pm.  Mostly cloudy, with a high near 38. South wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow before 10pm.  Mostly cloudy, with a low around 20. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.  New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow, mainly after 5am. Snow level 5000 feet rising to 5600 feet. Mostly cloudy, with a steady temperature around 35. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Christmas Day
Rain and snow likely before 1pm, then snow. Snow level 5400 feet lowering to 4800 feet in the afternoon . High near 41. Breezy, with a south wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow, mainly before 4am. Low around 26. South wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 38. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow before 10pm. Mostly cloudy, with a low around 20. West southwest wind 6 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Bly OR
 42.4°N 120.92°W (Elev. 4816 ft)
5:21 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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