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

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Mar 06:20 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 64. South wind 5 to 7 mph becoming east in the afternoon.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 47. Southeast wind around 6 mph.

    Low: 47 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 71. South wind 5 to 10 mph becoming west in the afternoon.

    High: 71 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 64. South wind 5 to 7 mph becoming east in the afternoon.
Tonight
A 20 percent chance of rain before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 47. Southeast wind around 6 mph.
Wednesday
Increasing clouds, with a high near 71. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 49. West wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 73. Light and variable wind becoming west 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 74.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
4:12 am PDT Mar 17, 2026
Forecast Valid:
6am PDT Mar 17, 2026-6pm PDT Mar 23, 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