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

64°F

18°C

Humidity 48%
Wind Speed NW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 06:20 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A slight chance of rain before 11pm, then rain likely after 2am. Mostly cloudy, with a low around 49. Calm wind becoming west 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 58. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Southwest wind 6 to 11 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

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

    High: 56 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °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, mainly after 11am. Cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of rain before 11pm, then rain likely after 2am. Mostly cloudy, with a low around 49. Calm wind becoming west 5 to 8 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 58. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 35. Southwest wind 6 to 11 mph.
Sunday
Increasing clouds, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain, mainly after 11am. Cloudy, with a high near 60.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 58. Breezy.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35. Breezy.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 60.
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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:
5:21 pm PDT Mar 20, 2026
Forecast Valid:
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 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