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

55°F

13°C

Humidity 76%
Wind Speed ENE 9 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 08:20 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. Southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain, then showers and possibly a thunderstorm after 11am. High near 64. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 46. West wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. Southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain, then showers and possibly a thunderstorm after 11am. High near 64. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain. Low around 46. West wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 55. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Wednesday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 50. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 35.
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:
3:27 pm PDT Apr 11, 2026
Forecast Valid:
8pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation