National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

77°F

25°C

Humidity 22%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Jul 10:35 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Light and variable wind.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy and hot, with a high near 97. Calm wind.
Monday Night
Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny and hot, with a high near 103.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny and hot, with a high near 103.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers after 11am. Mostly sunny and hot, with a high near 103.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.41°N 117°W (Elev. 945 ft)
Last Update:
9:22 pm PDT Jul 18, 2026
Forecast Valid:
11pm PDT Jul 18, 2026-6pm PDT Jul 25, 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