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.

Overcast

61°F

16°C

Humidity 63%
Wind Speed E 12 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 05:35 PM PDT
Extended Forecast for

Lewiston ID

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 44. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 64. Calm wind becoming west 5 to 8 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. Northwest wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. Southwest wind 6 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 40.

    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 52. Chance of precipitation is 70%.

    High: 52 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 44. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 64. Calm wind becoming west 5 to 8 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. Northwest wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. Southwest wind 6 to 13 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.
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 52. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow between 2am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 63.
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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:
3:27 pm PDT Apr 11, 2026
Forecast Valid:
5pm PDT Apr 11, 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