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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

46°F

8°C

Humidity 70%
Wind Speed S 3 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 31 Mar 08:05 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers, mainly after 11am. High near 56. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 40. East wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 51. Breezy, with a west wind 9 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 39. Light and variable wind.
Wednesday
Showers, mainly after 11am. High near 56. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. Low around 40. East wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 51. Breezy, with a west wind 9 to 18 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 69.
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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:
7:52 pm PDT Mar 31, 2026
Forecast Valid:
8pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
Forecast Discussion
 
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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