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

67°F

19°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Apr 07:56 PM PDT
Extended Forecast for

2 Miles WSW Lewiston ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East wind 3 to 5 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 78. East wind around 6 mph becoming light and variable.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. North wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of thunderstorms after 5pm. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. West wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Wednesday Night

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

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 78. East wind around 6 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 51. North wind around 6 mph becoming calm in the evening.
Tuesday
A chance of thunderstorms after 5pm. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. West wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 54. Chance of precipitation is 90%.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
Last Update:
3:36 pm PDT Apr 19, 2026
Forecast Valid:
8pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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