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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

37°F

3°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.6 in (1036.24 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Jan 05:35 PM PST
Extended Forecast for

3 Miles SSW Wallula WA

Air Stagnation Advisory January 16, 05:53pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 16, 05:53pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 34 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog. Otherwise, cloudy, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.

    High: 39 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.

    High: 39 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Tonight
Patchy fog. Otherwise, cloudy, with a low around 34. Light north wind.
Saturday
Patchy fog. Otherwise, cloudy, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Patchy fog. Otherwise, cloudy, with a low around 32. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. Calm wind.
M.L.King Day
Partly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A slight chance of rain and snow. Snow level 1400 feet. Mostly cloudy, with a high near 40.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
Last Update:
4:55 pm PST Jan 16, 2026
Forecast Valid:
5pm PST Jan 16, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation