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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

84°F

29°C

Humidity 21%
Wind Speed N 6 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Jun 07:35 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Breezy, with a light west wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph.

    High: 91 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Breezy, with a west wind 15 to 20 mph becoming light after midnight. Winds could gust as high as 32 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Light and variable wind.
Saturday
Mostly sunny, with a high near 91. Breezy, with a light west wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 58. Breezy, with a west wind 15 to 20 mph becoming light after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 89. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Clear, with a low around 57. Northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 93.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
4:06 pm PDT Jun 19, 2026
Forecast Valid:
8pm PDT Jun 19, 2026-6pm PDT Jun 26, 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