National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

unknown precip

30°F

-1°C

Humidity 92%
Wind Speed WNW 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Last update 01 Jan 05:00 PM PST
Extended Forecast for

Kennewick WA

Winter Weather Advisory January 1, 05:23pm until January 2, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 05:23pm until January 2, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • New Year's Day

    High: 31 °F

    Rain/Freezing
    Rain Likely

  • Tonight

    Tonight: Rain or freezing rain. Low around 31. Calm wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 31 °F

    Rain/Freezing
    Rain

  • Friday

    Friday: A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 43. Light and variable wind.

    High: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 34. North wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45. Light and variable wind becoming northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

New Year's Day
Rain or freezing rain likely. Cloudy, with a high near 31. Calm wind. Chance of precipitation is 70%. Total daytime ice accumulation of less than a 0.1 of an inch possible.
Tonight
Rain or freezing rain. Low around 31. Calm wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.
Friday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 43. Light and variable wind.
Friday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 34. North wind around 6 mph.
Saturday
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45. Light and variable wind becoming northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Sunday
A slight chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Snow level 1400 feet. Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.16°W (Elev. 505 ft)
Last Update:
4:00 pm PST Jan 1, 2026
Forecast Valid:
5pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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