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

Hermiston, Hermiston Municipal Airport (KHRI)

Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.

Overcast

43°F

6°C

Humidity 86%
Wind Speed WSW 4 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Dec 03:20 PM PST
Extended Forecast for

Stanfield OR

  • Christmas Day

    Christmas Day: A 20 percent chance of rain. Partly sunny, with a high near 44. Northwest wind around 5 mph.

    High: 44 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then rain likely after 1am. Mostly cloudy, with a low around 34. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely before 10am, then a chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 50. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow. Snow level 1900 feet lowering to 1000 feet after midnight . Mostly cloudy, with a low around 32. Southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 10am. Snow level 700 feet. Mostly sunny, with a high near 43. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    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 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
A 20 percent chance of rain. Partly sunny, with a high near 44. Northwest wind around 5 mph.
Tonight
A slight chance of rain before 7pm, then rain likely after 1am. Mostly cloudy, with a low around 34. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely before 10am, then a chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 50. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Snow level 1900 feet lowering to 1000 feet after midnight . Mostly cloudy, with a low around 32. Southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow before 10am. Snow level 700 feet. Mostly sunny, with a high near 43. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stanfield OR
 45.78°N 119.21°W (Elev. 646 ft)
Last Update:
3:30 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation