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

66°F

19°C

Humidity 34%
Wind Speed ESE 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 04:00 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: 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 72. East wind around 7 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. East wind around 6 mph becoming southeast in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. East wind 3 to 6 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly 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 likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 72. East wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 47. East wind around 6 mph becoming southeast in the evening.
Monday
Mostly sunny, with a high near 79. East wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 76.
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 likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 56.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 64.
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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:
2:06 pm PDT Apr 18, 2026
Forecast Valid:
4pm PDT Apr 18, 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