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.

Partly Cloudy

39°F

4°C

Humidity 95%
Wind Speed NW 8 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Dec 07:53 AM PST
Extended Forecast for

5 Miles W Kennewick WA

  • Today

    Today: A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 52. Light and variable wind becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 52 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: A 40 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 45. Northwest wind around 6 mph.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 35. South wind 3 to 5 mph.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 47. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 52. Light and variable wind becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 35. South wind 5 to 10 mph becoming northwest after midnight.
Christmas Day
A 40 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 45. Northwest wind around 6 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35. South wind 3 to 5 mph.
Friday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 47. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Kennewick WA
 46.2°N 119.25°W (Elev. 597 ft)
Last Update:
7:56 am PST Dec 24, 2025
Forecast Valid:
8am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation