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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

68°F

20°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 04 Oct 11:56 AM PDT
Extended Forecast for

Lewiston ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Light west wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Light west wind.
Tonight
Partly cloudy, with a low around 51. Light and variable wind.
Monday
Sunny, with a high near 84. Light and variable wind.
Monday Night
Partly cloudy, with a low around 49. Light and variable wind.
Tuesday
Sunny, with a high near 81. Calm wind.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 51. Breezy.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 67.
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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:
11:31 am PDT Oct 4, 2026
Forecast Valid:
12pm PDT Oct 4, 2026-6pm PDT Oct 10, 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