Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. 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 74%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Jan 06:35 PM PST
Extended Forecast for

4 Miles SE Asotin WA

  • Tonight

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

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

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

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Calm wind.
Wednesday
Mostly cloudy, with a high near 34. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 34. Calm wind.
Thursday Night
Partly cloudy, with a low around 24. Calm wind.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 37.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 10%.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Asotin WA
 46.3°N 116.98°W (Elev. 1969 ft)
3:02 pm PST Jan 20, 2026
6pm PST Jan 20, 2026-6pm PST Jan 27, 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