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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

30°F

-1°C

Humidity 86%
Wind Speed WSW 6 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 20 Jan 06:35 AM PST
Extended Forecast for

4 Miles SE Asotin WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.

    High: 36 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.
Tonight
Partly cloudy, with a low around 25. Calm wind.
Wednesday
Mostly sunny, with a high near 35. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Mostly cloudy, with a high near 35. Calm wind.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Asotin WA
 46.3°N 116.98°W (Elev. 1969 ft)
1:12 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 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