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.

Clear

50°F

10°C

Humidity 53%
Wind Speed SE 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Apr 11:56 PM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Partly cloudy, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. East wind around 7 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East wind around 6 mph becoming southeast after midnight.

    Low: 46 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 80. East wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 73. East wind around 7 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East wind around 6 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 80. East wind around 6 mph.
Monday Night
Partly cloudy, with a low around 51. Northeast wind around 6 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Rain. High near 58. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 63.
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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:
11:31 pm PDT Apr 18, 2026
Forecast Valid:
12am PDT Apr 19, 2026-6pm PDT Apr 25, 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