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.

Overcast

25°F

-4°C

Humidity 79%
Wind Speed NW 5 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Dec 03:20 AM PST
Extended Forecast for

Pasco WA

  • Overnight

    Overnight: 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 north wind.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. Light north wind.

    High: 36 °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 7am.  Otherwise, partly sunny, with a high near 34.

    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 1pm.  Otherwise, partly sunny, with a high near 35.

    High: 35 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. Light northwest wind.
Sunday
Mostly sunny, with a high near 36. Light north wind.
Sunday Night
Mostly cloudy, with a low around 26. Calm wind.
Monday
Partly sunny, with a high near 36. Light north wind.
Monday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 34.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 24.
Wednesday
Patchy fog before 1pm. Otherwise, partly sunny, with a high near 35.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 25.
New Year's Day
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 37.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 30.
Friday
A chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
3:15 am PST Dec 28, 2025
3am 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