Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

34°F

1°C

Humidity 74%
Wind Speed WNW 3 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Jan 10:55 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

  • Today

    Today: Cloudy, with a steady temperature around 32. North wind around 5 mph.

    High: 32 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 35. Calm wind becoming north around 6 mph in the afternoon.

    High: 35 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Light northwest wind.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. North wind 5 to 7 mph.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a steady temperature around 32. North wind around 5 mph.
Tonight
Cloudy, with a low around 29. Calm wind.
Thursday
Cloudy, with a high near 35. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 29. Light northwest wind.
Friday
Mostly sunny, with a high near 35. North wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
9:56 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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