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

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Jan 06:00 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

Air Stagnation Advisory January 14, 06:25am until January 16, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 14, 06:25am until January 16, 10:00am

    NOW until 10:00am Fri

    Air Stagnation Advisory

  • Today

    High: 47 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 36. Light west wind.

    Low: 36 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 43. North wind 3 to 6 mph.

    High: 43 °F

    Patchy Fog
    then Mostly
    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 41. Calm wind becoming northwest around 5 mph in the morning.

    High: 41 °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

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 47. Light north wind.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 36. Light west wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 43. 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 41. Calm wind becoming northwest around 5 mph in the morning.
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
Mostly sunny, with a high near 40.
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 31.
Tuesday
Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
4:20 am PST Jan 14, 2026
6am PST Jan 14, 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