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.

Mostly Cloudy

60°F

16°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 01:56 PM PDT
Extended Forecast for

Lewiston ID

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. Northeast wind 5 to 7 mph becoming southwest. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 47. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 59. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. West wind 5 to 11 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. Northeast wind 5 to 7 mph becoming southwest. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 47. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 59. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 39. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 59. West wind 5 to 11 mph.
Tuesday Night
Showers. Low around 44. Chance of precipitation is 90%.
Wednesday
Showers. High near 51. Chance of precipitation is 90%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
2:06 pm PDT Apr 12, 2026
Forecast Valid:
2pm PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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