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

MAJUBA (MJBN2)

Lat: 40.77275°NLon: 118.51989°WElev: 5293.0ft.

NA

43°F

6°C

Humidity 87%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 24 Dec 03:47 PM PST
Extended Forecast for

6 Miles NNW Unionville NV

Wind Advisory December 25, 04:00am until December 25, 10:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Snow likely. Areas of freezing fog. Mostly cloudy, with a high near 35. Windy, with a south wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Likely
    and Areas
    Freezing Fog

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Patchy fog between 8pm and 11pm. Areas of freezing fog between 7pm and 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 28. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    and Areas
    Freezing Fog

  • Christmas Day

    Christmas Day: Snow likely, mainly after 10am. Increasing clouds, with a high near 31. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely
    and Very
    Windy

  • Thursday Night

    Thursday Night: Snow. Low around 26. Very windy, with a south wind 35 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow and Very
    Windy

  • Friday

    Friday: Snow likely, mainly before 10am. The snow could be heavy at times. Partly sunny, with a high near 28. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy
    then Chance
    Snow and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow. Partly cloudy, with a low around 24. West wind around 15 mph.

    Low: 24 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

This Afternoon
Snow likely. Areas of freezing fog. Mostly cloudy, with a high near 35. Windy, with a south wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely, mainly before 10pm. Patchy fog between 8pm and 11pm. Areas of freezing fog between 7pm and 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 28. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Christmas Day
Snow likely, mainly after 10am. Increasing clouds, with a high near 31. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow. Low around 26. Very windy, with a south wind 35 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow likely, mainly before 10am. The snow could be heavy at times. Partly sunny, with a high near 28. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24. West wind around 15 mph.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Sunny, with a high near 23.
Sunday Night
Clear, with a low around 18.
Monday
Sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 29.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Unionville NV
 40.53°N 118.18°W (Elev. 8898 ft)
Last Update:
1:15 pm PST Dec 24, 2025
Forecast Valid:
4pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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