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

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 08:20 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 76. Light and variable wind becoming west 6 to 11 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 76. Light and variable wind becoming west 6 to 11 mph in the afternoon.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 35. West wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 63.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 53.
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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:
3:42 am PDT Mar 20, 2026
Forecast Valid:
8am PDT Mar 20, 2026-6pm PDT Mar 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