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.

Clear

34°F

1°C

Humidity 100%
Wind Speed ESE 5 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 25 Dec 09:35 PM PST
Extended Forecast for

Boardman OR

  • Tonight

    Tonight: Rain likely after 1am. Mostly cloudy, with a low around 39. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    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 48. Southwest wind 10 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Snow level 1700 feet lowering to 1000 feet after midnight . Partly cloudy, with a low around 37. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 34 mph.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. West wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely after 1am. Mostly cloudy, with a low around 39. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth 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 48. Southwest wind 10 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 40 percent chance of rain. Snow level 1700 feet lowering to 1000 feet after midnight . Partly cloudy, with a low around 37. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 29. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 32.
New Year's Day
A slight chance of rain. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boardman OR
 45.85°N 119.69°W (Elev. 299 ft)
Last Update:
9:35 pm PST Dec 25, 2025
Forecast Valid:
9pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation