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

Prineville Airport (KS39)

Lat: 44.287°NLon: 120.9038°WElev: 3250.0ft.

Partly Cloudy

39°F

4°C

Humidity 80%
Wind Speed E 5 MPH
Barometer 29.54 in (1000.34 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 25 Dec 04:15 AM PST
Extended Forecast for

Prineville OR

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 53. South wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain after 10pm, mixing with snow after 4am. Snow level 3900 feet. Mostly cloudy, with a low around 31. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 7am, then a chance of rain. Snow level 3400 feet. Mostly cloudy, with a high near 46. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40. Northwest wind 6 to 9 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 43.

    High: 43 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Partly sunny, with a high near 53. South wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
A chance of rain after 10pm, mixing with snow after 4am. Snow level 3900 feet. Mostly cloudy, with a low around 31. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow before 7am, then a chance of rain. Snow level 3400 feet. Mostly cloudy, with a high near 46. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 40. Northwest wind 6 to 9 mph.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 19.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prineville OR
 44.3°N 120.85°W (Elev. 2900 ft)
Last Update:
4:20 am PST Dec 25, 2025
Forecast Valid:
4am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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