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

77°F

25°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 03 Oct 06:05 PM PDT
Extended Forecast for

Clarkston WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light and variable wind.
Sunday
Sunny, with a high near 87. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 88. Light and variable wind.
Monday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 83.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52. Breezy.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
3:41 pm PDT Oct 3, 2026
Forecast Valid:
6pm PDT Oct 3, 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