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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Mostly Cloudy

46°F

8°C

Humidity 49%
Wind Speed SSW 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 11 Oct 12:10 AM PDT
Extended Forecast for

Clarkston WA

  • Overnight

    Overnight: Increasing clouds, with a low around 42. Northwest wind 3 to 5 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 57. North wind around 5 mph, with gusts as high as 18 mph.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.

    Low: 39 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A 30 percent chance of showers before 11am. Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Increasing clouds, with a low around 42. Northwest wind 3 to 5 mph.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 57. North wind around 5 mph, with gusts as high as 18 mph.
Sunday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.
Columbus Day
A 30 percent chance of showers before 11am. Mostly sunny, with a high near 59. Calm wind.
Monday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Light and variable wind.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.4°N 117.06°W (Elev. 899 ft)
Last Update:
11:47 pm PDT Oct 10, 2026
Forecast Valid:
12am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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