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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

48°F

9°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 05 Feb 05:35 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. Light southeast wind.

    Low: 39 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Cloudy, with a low around 46. Light southeast wind.

    Low: 46 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. Light southeast wind.
Friday
Partly sunny, with a high near 49. Calm wind.
Friday Night
Cloudy, with a low around 39. Calm wind.
Saturday
Partly sunny, with a high near 57. Calm wind.
Saturday Night
A 20 percent chance of rain after 10pm. Cloudy, with a low around 46. Light southeast wind.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 56.
Sunday Night
Rain, mainly before 4am. Low around 42. Chance of precipitation is 80%.
Monday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.41°N 117°W (Elev. 945 ft)
Last Update:
2:42 pm PST Feb 5, 2026
Forecast Valid:
5pm PST Feb 5, 2026-6pm PST Feb 12, 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