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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Clear

27°F

-3°C

Humidity 58%
Wind Speed SSW 3 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 27 Dec 09:05 PM PST
Extended Forecast for

Clarkston WA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Light east wind.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 30. Calm wind.
Sunday
Sunny, with a high near 39. Calm wind.
Sunday Night
Partly cloudy, with a low around 27. Calm wind.
Monday
Partly sunny, with a high near 41. Light east wind.
Monday Night
Mostly cloudy, with a low around 30. Calm wind.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 33.
New Year's Day
Mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
9:03 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