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

32°F

0°C

Humidity 92%
Wind Speed ENE 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Feb 02:20 AM PST
Extended Forecast for

2 Miles WSW Lewiston ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Calm wind.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 4am. Cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 10am. Cloudy, with a high near 46.

    High: 46 °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

Overnight
Mostly clear, with a steady temperature around 35. Calm wind.
Thursday
Increasing clouds, with a high near 49. Calm wind.
Thursday Night
Partly cloudy, with a low around 34. Calm wind.
Friday
Mostly cloudy, with a high near 49. Calm wind.
Friday Night
A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 39. Calm wind.
Saturday
A 30 percent chance of rain. Cloudy, with a high near 49.
Saturday Night
Rain likely, mainly before 4am. Cloudy, with a low around 38. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain, mainly before 10am. Cloudy, with a high near 46.
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 50 percent chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
Last Update:
1:12 am PST Feb 12, 2026
Forecast Valid:
2am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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