Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 13 Jan 11:00 PM PST
Extended Forecast for

2 Miles SSW Wallula WA

Air Stagnation Advisory January 13, 11:17pm until January 16, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 13, 11:17pm until January 16, 10:00am

    NOW until 10:00am Fri

    Air Stagnation Advisory

  • Tonight

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Light north wind.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42. North wind 3 to 6 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Light north wind.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 46. Light north wind.
Wednesday Night
Partly cloudy, with a low around 35. Light and variable wind.
Thursday
Partly sunny, with a high near 42. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 34. Light north wind.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 31.
M.L.King Day
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
9:15 pm PST Jan 13, 2026
11pm PST Jan 13, 2026-6pm PST Jan 20, 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