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

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

36°F

2°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 25 Dec 06:53 PM PST
Extended Forecast for

2 Miles E Kennewick WA

  • Tonight

    Tonight: Rain likely after 1am. Mostly cloudy, with a low around 36. Light and variable wind. 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 likely before 10am, then a chance of rain after 1pm. Mostly cloudy, with a high near 49. Southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a slight chance of rain and snow. Snow level 1800 feet lowering to 900 feet after midnight . Partly cloudy, with a low around 34. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Breezy.
    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind 6 to 9 mph.

    High: 43 °F

    Sunny

  • Saturday Night

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

    Low: 25 °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 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

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

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely after 1am. Mostly cloudy, with a low around 36. Light and variable wind. 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. Mostly cloudy, with a high near 49. Southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain before 1am, then a slight chance of rain and snow. Snow level 1800 feet lowering to 900 feet after midnight . Partly cloudy, with a low around 34. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 43. Northwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 25. Calm wind.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
New Year's Day
A slight chance of rain and snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Kennewick WA
 46.2°N 119.13°W (Elev. 400 ft)
Last Update:
3:30 pm PST Dec 25, 2025
Forecast Valid:
7pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation