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Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

63°F

17°C

Humidity 59%
Wind Speed WNW 5 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 02 Sep 11:35 PM PDT
Extended Forecast for

Asotin WA

  • Tonight

    Tonight: Showers. Low around 55. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers. High near 69. Calm wind becoming northeast around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers, mainly before 11pm. Low around 53. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 69. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers. Low around 55. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. High near 69. Calm wind becoming northeast around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers, mainly before 11pm. Low around 53. South wind around 5 mph becoming calm after midnight. 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 11am. Partly sunny, with a high near 69. Light and variable wind. Chance of precipitation is 40%. 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 after 11pm. Mostly cloudy, with a low around 50. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 76.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Labor Day
A 50 percent chance of showers. Partly sunny, with a high near 74.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Asotin WA
 46.34°N 117.05°W (Elev. 846 ft)
Last Update:
11:32 pm PDT Sep 2, 2026
Forecast Valid:
11pm 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