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.

Partly Cloudy

48°F

9°C

Humidity 87%
Wind Speed S 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 07:20 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 76. Light and variable wind becoming northwest 8 to 13 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. Northwest 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 10 to 15 mph, with gusts as high as 23 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 15 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Calm wind becoming north 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 59.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 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 northwest 8 to 13 mph in the afternoon.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. Northwest 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 10 to 15 mph, with gusts as high as 23 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 15 mph.
Sunday
Mostly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 30 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 57.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 54.
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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:
3:42 am PDT Mar 20, 2026
Forecast Valid:
7am 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