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

38°F

3°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 24 Dec 06:41 PM PST
Extended Forecast for

28 Miles NNE Mazama WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Wind chill values as low as zero. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Snow, mainly after 10am. High near 22. Wind chill values as low as -1. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Chance Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm. Low around 17. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow then
    Chance Snow

  • Friday

    Friday: Snow, mainly after 10am. High near 20. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 20 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. Low around 0. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 0 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 11. Wind chill values as low as zero. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Christmas Day
Snow, mainly after 10am. High near 22. Wind chill values as low as -1. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow, mainly before 10pm. Low around 17. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow, mainly after 10am. High near 20. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 0. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Mostly sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Mostly cloudy, with a high near 18.
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 29.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles NNE Mazama WA
 48.98°N 120.2°W (Elev. 7188 ft)
Last Update:
3:17 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation