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

Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

52°F

11°C

Humidity 66%
Wind Speed SE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 07 Oct 05:35 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Light and variable wind.
Tonight
Mostly clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 81. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 80. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47. Breezy.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 36.
Columbus Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 63.
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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:
4:21 am PDT Oct 7, 2026
Forecast Valid:
5am PDT Oct 7, 2026-6pm PDT Oct 13, 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