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

DW5434 Heppner (D5434)

Lat: 45.24967°NLon: 119.73117°WElev: 2600.0ft.

NA

33°F

1°C

Humidity 92%
Wind Speed WNW 2 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 25 Dec 05:15 AM PST
Extended Forecast for

Heppner OR

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 38. East wind around 9 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Chance Rain

  • Christmas Day

    Christmas Day: A chance of rain before 10am, then a slight chance of rain after 1pm. Partly sunny, with a high near 54. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 36. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain and snow likely before 10am, then a chance of rain. Mostly cloudy, with a high near 47. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely then
    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. West wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 10am. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 38. East wind around 9 mph, with gusts as high as 21 mph.
Christmas Day
A chance of rain before 10am, then a slight chance of rain after 1pm. Partly sunny, with a high near 54. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 36. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and snow likely before 10am, then a chance of rain. Mostly cloudy, with a high near 47. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. West wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow before 10am. Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Heppner OR
 45.34°N 119.56°W (Elev. 2129 ft)
Last Update:
5:20 am PST Dec 25, 2025
Forecast Valid:
5am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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