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.

rain,mist

52°F

11°C

Humidity 87%
Wind Speed S 5 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Last update 12 Apr 07:30 PM PDT
Extended Forecast for

Lewiston ID

  • 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. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    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

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

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. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
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.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 64.
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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:
7pm PDT Apr 12, 2026-6pm PDT Apr 19, 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