National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Clear

72°F

22°C

Humidity 37%
Wind Speed WNW 10 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Jun 11:05 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 6 to 10 mph becoming northwest after midnight.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Northeast wind 5 to 11 mph becoming northwest in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming southwest in the evening.

    Low: 56 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 73. South wind 6 to 11 mph becoming northwest in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48. Southwest wind around 11 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West wind 6 to 10 mph becoming northwest after midnight.
Juneteenth
Mostly sunny, with a high near 83. Northeast wind 5 to 11 mph becoming northwest in the afternoon.
Thursday Night
A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming southwest in the evening.
Friday
A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 73. South wind 6 to 11 mph becoming northwest in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48. Southwest wind around 11 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 69.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
10:16 pm PDT Jun 18, 2025
Forecast Valid:
11pm PDT Jun 18, 2025-6pm PDT Jun 25, 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