National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

36°F

2°C

Humidity 80%
Wind Speed SSE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 11 Feb 09:20 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 10pm. Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 49. Calm wind.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Calm wind.
Friday
Mostly cloudy, with a high near 49. Light and variable wind.
Friday Night
A 30 percent chance of rain after 10pm. Cloudy, with a low around 39. Calm wind.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 48.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Sunday
A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 48.
Sunday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Washington's Birthday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
9:02 pm PST Feb 11, 2026
Forecast Valid:
9pm PST Feb 11, 2026-6pm PST Feb 18, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation