Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

27°F

-3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 27°F (-3°C)
Visibility 2.00 mi
Last update 31 Dec 11:00 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

Air Stagnation Advisory December 31, 11:27am until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 31, 11:27am until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Today

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Cloudy, with a high near 35. Light north wind.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, mainly before 4am.  Cloudy, with a low around 33. Calm wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: A chance of rain before 10am, then a slight chance of rain after 4pm.  Mostly cloudy, with a high near 39. North wind 3 to 6 mph.  Chance of precipitation is 40%.

    High: 39 °F

    Chance Rain
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 39. Light north wind.
Tonight
Mostly cloudy, with a low around 29. Calm wind.
New Year's Day
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Cloudy, with a high near 35. Light north wind. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly before 4am. Cloudy, with a low around 33. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain before 10am, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 39. North wind 3 to 6 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 40.
Sunday
A slight chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Sunday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly cloudy, with a high near 47.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
9:15 am PST Dec 31, 2025
11am PST Dec 31, 2025-6pm PST Jan 6, 2026
 
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