Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

32°F

0°C

Humidity 69%
Wind Speed S 5 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 21 Jan 04:00 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 35. Calm wind.

    High: 35 °F

    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 34. Northeast wind 3 to 5 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. Light southwest wind.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 30. Calm wind.
Thursday
Cloudy, with a high near 35. Calm wind.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 25. Calm wind.
Friday
Mostly sunny, with a high near 34. Northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 21. Light southwest wind.
Saturday
Sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 10 percent chance of rain. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
1:12 pm PST Jan 21, 2026
4pm PST Jan 21, 2026-6pm PST Jan 28, 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