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

64°F

18°C

Humidity 36%
Wind Speed E 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 02:56 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Partly cloudy, with a low around 42. East wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. East wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 3 to 6 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 82. East wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 79.

    High: 79 °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 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 76. East wind around 7 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 82. East wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
Rain. High near 60. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 59.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
2:06 pm PDT Apr 18, 2026
Forecast Valid:
3pm 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