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Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Partly Cloudy

72°F

22°C

Humidity 35%
Wind Speed SSE 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 01 Sep 01:05 PM PDT
Extended Forecast for

West Clarkston-highland WA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Increasing clouds, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 74. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 56. Northwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: Showers. High near 70. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers before 11pm. Increasing clouds, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 74. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 56. Northwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 70. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 72.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Labor Day
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Clarkston-highland WA
 46.4°N 117.06°W (Elev. 899 ft)
Last Update:
11:01 am PDT Sep 1, 2026
Forecast Valid:
1pm PDT Sep 1, 2026-6pm PDT Sep 7, 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