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.

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed ESE 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Mar 12:00 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming clear, with a low around 45. Light southeast wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Southeast wind 3 to 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain. Cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming clear, with a low around 45. Light southeast wind.
Wednesday
Partly sunny, with a high near 72. Light and variable wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 49. Southeast wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. West wind 5 to 9 mph becoming light and variable after midnight.
Friday
Mostly cloudy, with a high near 71.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 47.
Saturday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
12:22 am PDT Mar 18, 2026
Forecast Valid:
12am PDT Mar 18, 2026-6pm PDT Mar 24, 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