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

46°F

8°C

Humidity 75%
Wind Speed SE 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 05:20 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Mostly sunny, with a high near 82. East wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light northeast wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 57. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. East wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 53. Light northeast wind.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain. High near 57. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
3:06 am PDT Apr 20, 2026
Forecast Valid:
5am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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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