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

55°F

13°C

Humidity 46%
Wind Speed SE 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 19 Apr 09:56 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 73. East wind around 6 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East wind around 5 mph.

    Low: 46 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 79. East wind 3 to 5 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 73. East wind around 6 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East wind around 5 mph.
Monday
Mostly sunny, with a high near 79. East wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Wednesday
Rain. High near 56. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
7:42 am PDT Apr 19, 2026
Forecast Valid:
10am PDT Apr 19, 2026-6pm PDT Apr 25, 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