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.

Mostly Cloudy

55°F

13°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 15 May 09:50 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: A 20 percent chance of showers before 11am. Partly sunny, with a high near 68. Northwest wind around 9 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 11pm. Cloudy, with a low around 48. Northwest wind 5 to 8 mph becoming northeast after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 63. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West wind around 5 mph becoming east in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 70. East wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Partly sunny, with a high near 68. Northwest wind around 9 mph.
Tonight
A 30 percent chance of showers after 11pm. Cloudy, with a low around 48. Northwest wind 5 to 8 mph becoming northeast after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 63. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 46. West wind around 5 mph becoming east in the evening.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 70. East wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 45.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. Breezy.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 71.
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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:
5:27 am PDT May 15, 2025
Forecast Valid:
10am PDT May 15, 2025-6pm PDT May 21, 2025
 
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