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.

Mostly Cloudy

34°F

1°C

Humidity 80%
Wind Speed NW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Dec 06:20 AM PST
Extended Forecast for

Pasco WASimilar City Names

  • Today

    Today: Sunny, with a high near 41. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Light northwest wind.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °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 23.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 34.

    High: 34 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 25.

    Low: 25 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 35.

    High: 35 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 41. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 26. Light and variable wind.
Sunday
Mostly sunny, with a high near 36. Light northwest wind.
Sunday Night
Mostly cloudy, with a low around 25. 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 23.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 34.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 25.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 35.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 26.
New Year's Day
Patchy fog. Otherwise, cloudy, with a high near 37.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 30.
Friday
A slight chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WASimilar City Names
 46.24°N 119.11°W (Elev. 397 ft)
4:20 am PST Dec 27, 2025
6am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database