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 >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

27°F

-3°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 26°F (-3°C)
Visibility 1.50 mi
Last update 01 Jan 08:53 AM PST
Extended Forecast for

3 Miles WSW Wallula WA

Winter Weather Advisory January 1, 10:00am until January 2, 04:00am
Freezing Fog Advisory until January 1, 12:00pm
Air Stagnation Advisory January 1, 09:03am until January 1, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Freezing Fog Advisory
Air Stagnation Advisory
  •  
    Freezing Fog Advisory until January 1, 12:00pm
    Air Stagnation Advisory January 1, 09:03am until January 1, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • New Year's Day

    High: 35 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain.  Cloudy, with a temperature rising to around 37 by 4am. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain.  Mostly cloudy, with a high near 45. Southwest wind around 6 mph.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 38. Northeast wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain.  Mostly cloudy, with a high near 46. East wind around 6 mph becoming west in the afternoon.

    High: 46 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

New Year's Day
A 50 percent chance of rain. Cloudy, with a high near 35. Light north wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of rain. Cloudy, with a temperature rising to around 37 by 4am. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 45. Southwest wind around 6 mph.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Northeast wind around 6 mph.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 46. East wind around 6 mph becoming west in the afternoon.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Wallula WA
 46.07°N 118.94°W (Elev. 338 ft)
8:31 am PST Jan 1, 2026
9am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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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