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

70°F

21°C

Humidity 37%
Wind Speed ENE 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Aug 09:00 AM PDT
Extended Forecast for

2 Miles NNE Lewiston ID

  • Today

    Today: Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny and hot, with a high near 105. Calm wind becoming east around 5 mph in the afternoon.

    High: 105 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of thunderstorms after 5pm. Partly sunny and hot, with a high near 100. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 10%.

    High: 100 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny and hot, with a high near 105. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of thunderstorms after 5pm. Partly sunny and hot, with a high near 100. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 10%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
9:12 am PDT Aug 20, 2026
Forecast Valid:
9am PDT Aug 20, 2026-6pm PDT Aug 26, 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