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 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: Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. South wind 6 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °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 58.

    High: 58 °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. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • 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 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
Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. South wind 6 to 11 mph becoming west in the afternoon. 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 58.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 90%.
Wednesday
Rain. High near 51. 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 50. 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
 46.39°N 117°W (Elev. 1385 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

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