Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Partly Cloudy

28°F

-2°C

Humidity 74%
Wind Speed WSW 3 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 27 Dec 08:55 PM PST
Extended Forecast for

4 Miles S Richland WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Light northwest wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Light and variable wind becoming northeast around 5 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Light northwest wind.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35. Calm wind becoming north around 5 mph in the afternoon.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Light northwest wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Light northwest wind.
Sunday
Mostly sunny, with a high near 36. Light and variable wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 26. Light northwest wind.
Monday
Partly sunny, with a high near 35. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Light northwest wind.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
Mostly cloudy, with a high near 36.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 30.
Friday
A chance of rain. Mostly cloudy, with a high near 44.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Richland WA
 46.24°N 119.3°W (Elev. 568 ft)
9:15 pm PST Dec 27, 2025
9pm PST Dec 27, 2025-6pm PST Jan 3, 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