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

73°F

23°C

Humidity 20%
Wind Speed SW 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Aug 11:35 PM PDT
Extended Forecast for

3 Miles WSW Asotin WA

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Widespread haze before 7am. Sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.

    High: 94 °F

    Haze then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.
Wednesday
Widespread haze before 7am. Sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. Light and variable wind.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Asotin WA
 46.33°N 117.11°W (Elev. 1033 ft)
Last Update:
11:31 pm PDT Aug 18, 2026
Forecast Valid:
11pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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