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

41°F

5°C

Humidity 64%
Wind Speed NNE 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 31 Mar 10:56 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: A 30 percent chance of showers. Mostly cloudy, with a high near 52. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 52 °F

    Chance
    Showers

  • 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 55. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °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 tenth and quarter 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. West wind 8 to 17 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

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °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 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers. Mostly cloudy, with a high near 52. Light and variable wind becoming north around 5 mph in the afternoon.
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 55. Calm wind becoming east around 6 mph in the afternoon. 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 tenth and quarter of an inch possible.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 51. West wind 8 to 17 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.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
10:16 am PDT Mar 31, 2026
Forecast Valid:
11am PDT Mar 31, 2026-6pm PDT Apr 6, 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