Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

27°F

-3°C

Humidity 92%
Wind Speed SSE 4 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 20 Jan 01:20 AM PST
Extended Forecast for

4 Miles SE Asotin WA

  • Overnight

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

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

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

    High: 36 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: 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.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.
Tuesday Night
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.
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
1am 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