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

45°F

7°C

Humidity 81%
Wind Speed E 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Mar 03:35 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. Southeast wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 63. Southeast wind 5 to 7 mph.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 46. Southeast wind 3 to 6 mph.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 70 °F

    Increasing
    Clouds

  • Wednesday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °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 73.

    High: 73 °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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Southeast wind around 5 mph.
Tuesday
A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 63. Southeast wind 5 to 7 mph.
Tuesday Night
A 20 percent chance of rain before 8pm. Cloudy, then gradual clearing toward daybreak, with a low around 46. Southeast wind 3 to 6 mph.
Wednesday
Increasing clouds, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 49. West wind 5 to 9 mph becoming light and variable in the evening.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 73.
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 57.
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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:
2:26 am PDT Mar 17, 2026
Forecast Valid:
3am 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