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

54°F

12°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Apr 02:20 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. West wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 56. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. West wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain. High near 56. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 59.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
2:06 am PDT Apr 21, 2026
Forecast Valid:
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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