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.

Clear

28°F

-2°C

Humidity 74%
Wind Speed NW 6 MPH
Barometer 30.73 in (1040.64 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Dec 09:00 AM PST
Extended Forecast for

Pasco WA

  • Today

    Today: Sunny, with a high near 36. Light north wind.

    High: 36 °F

    Sunny

  • Tonight

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

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35. Light northwest wind.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 24.

    Low: 24 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 34.

    High: 34 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 36.

    High: 36 °F

    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 36. Light north wind.
Tonight
Mostly cloudy, with a low around 26. Calm wind.
Monday
Partly sunny, with a high near 35. Light northwest wind.
Monday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 34. Calm wind.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 24.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 36.
Thursday Night
A chance of rain, mainly after 4am. 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 and snow. Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.14°W (Elev. 469 ft)
8:53 am PST Dec 28, 2025
9am PST Dec 28, 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