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.

Clear

36°F

2°C

Humidity 86%
Wind Speed SW 3 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Dec 08:55 PM PST
Extended Forecast for

Prineville OR

  • Tonight

    Tonight: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 53. South wind 13 to 21 mph, with gusts as high as 33 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 10pm. Snow level 4000 feet. Mostly cloudy, with a low around 31. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 1pm, then a chance of rain and snow. Snow level 3400 feet. Mostly cloudy, with a high near 47. Southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 25. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 44.

    High: 44 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Christmas Day
Mostly sunny, with a high near 53. South wind 13 to 21 mph, with gusts as high as 33 mph.
Thursday Night
A 30 percent chance of rain after 10pm. Snow level 4000 feet. Mostly cloudy, with a low around 31. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Friday
A chance of rain before 1pm, then a chance of rain and snow. Snow level 3400 feet. Mostly cloudy, with a high near 47. Southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 25. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 18.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prineville OR
 44.3°N 120.85°W (Elev. 2900 ft)
Last Update:
8:31 pm PST Dec 24, 2025
Forecast Valid:
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation