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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

28°F

-2°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Last update 01 Jan 11:00 AM PST
Extended Forecast for

2 Miles SSW Benton City WA

Winter Weather Advisory until January 2, 04:00am
Freezing Fog Advisory until January 1, 12:00pm
Air Stagnation Advisory January 1, 11:22am until January 1, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Freezing Fog Advisory
Air Stagnation Advisory
  •  
    Winter Weather Advisory until January 2, 04:00am
    Freezing Fog Advisory until January 1, 12:00pm
    Air Stagnation Advisory January 1, 11:22am until January 1, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • New Year's Day

    High: 29 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain. Cloudy, with a temperature rising to around 33 by 5am. Calm wind becoming southwest around 5 mph after midnight.

    Low: 28 °F⇑

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 39. Southwest wind around 6 mph.

    High: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34. North wind around 8 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly cloudy, with a high near 42. Northeast wind around 8 mph.

    High: 42 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

Detailed Forecast

New Year's Day
A 20 percent chance of rain. Cloudy, with a high near 29. Southeast wind around 5 mph becoming east in the afternoon.
Tonight
A 20 percent chance of rain. Cloudy, with a temperature rising to around 33 by 5am. Calm wind becoming southwest around 5 mph after midnight.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 39. Southwest wind around 6 mph.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34. North wind around 8 mph.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 42. Northeast wind around 8 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 47.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 44.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Benton City WA
 46.24°N 119.51°W (Elev. 1594 ft)
Last Update:
10:53 am PST Jan 1, 2026
Forecast Valid:
11am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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