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 >

Current conditions at

OROVILLE (OVLW1)

Lat: 48.96311°NLon: 119.49161°WElev: 1450.0ft.

NA

36°F

2°C

Humidity 95%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 24 Dec 09:41 PM PST
Extended Forecast for

24 Miles NNE Mazama WA

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Wind chill values as low as -2. West wind around 14 mph.

    Low: 12 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: Snow, mainly after 1pm. High near 21. Wind chill values as low as -1. South wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm. Low around 16. West wind 14 to 16 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Snow, mainly after 10am. High near 19. Wind chill values as low as -3. Breezy, with a southwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 19 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 1. Blustery, with a northwest wind around 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 1 °F

    Blustery.
    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 10. Blustery.

    High: 10 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 12. Wind chill values as low as -2. West wind around 14 mph.
Christmas Day
Snow, mainly after 1pm. High near 21. Wind chill values as low as -1. South wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow, mainly before 10pm. Low around 16. West wind 14 to 16 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
Snow, mainly after 10am. High near 19. Wind chill values as low as -3. Breezy, with a southwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 1. Blustery, with a northwest wind around 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Mostly sunny and cold, with a high near 10. Blustery.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 24.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NNE Mazama WA
 48.92°N 120.19°W (Elev. 7779 ft)
Last Update:
9:17 pm PST Dec 24, 2025
Forecast Valid:
10pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation