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

81°F

27°C

Humidity 26%
Wind Speed NNW 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Aug 02:05 PM PDT
Extended Forecast for

Asotin WA

  • This Afternoon

    This Afternoon: Widespread haze. Sunny, with a high near 84. Northwest wind around 9 mph.

    High: 84 °F

    Haze

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80. Breezy, with a light and variable wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Breezy, with a northwest wind 13 to 18 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Widespread haze. Sunny, with a high near 84. Northwest wind around 9 mph.
Tonight
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. Breezy, with a light and variable wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 51. Breezy, with a northwest wind 13 to 18 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 80. Light and variable wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Asotin WA
 46.34°N 117.05°W (Elev. 846 ft)
Last Update:
2:06 pm PDT Aug 28, 2026
Forecast Valid:
2pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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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