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

52°F

11°C

Humidity 81%
Wind Speed ENE 9 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 01:05 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    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: Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 46. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Wednesday

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

    High: 51 °F

    Rain and
    Breezy

  • 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 40%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Light east wind.
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
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 46. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 40. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 90%.
Wednesday
Rain. High near 51. Breezy. Chance of precipitation is 90%.
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 40%.
Thursday
A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 56.
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
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
11:31 pm PDT Apr 11, 2026
Forecast Valid:
1am PDT Apr 12, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation