Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

66°F

19°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 30 Jun 08:56 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 58.
Independence Day
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny and hot, with a high near 96.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.41°N 117°W (Elev. 945 ft)
2:06 pm PDT Jun 30, 2026
9pm PDT Jun 30, 2026-6pm PDT Jul 7, 2026
 
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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