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Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

72°F

22°C

Humidity 40%
Wind Speed WSW 8 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 02 Sep 06:00 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 54. East wind 5 to 8 mph becoming west in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Thursday

    Thursday: Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers likely after 2pm. High near 67. East wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 51. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 54. East wind 5 to 8 mph becoming west in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers likely after 2pm. High near 67. East wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers. Low around 51. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 50. Light and variable wind.
Saturday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 76.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55.
Labor Day
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 116.97°W (Elev. 1407 ft)
Last Update:
4:11 pm PDT Sep 2, 2026
Forecast Valid:
6pm PDT Sep 2, 2026-6pm PDT Sep 9, 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