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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

Walla Walla Regional Airport (KALW)

Lat: 46.09462°NLon: 118.2858°WElev: 1168.0ft.

Partly Cloudy

58°F

14°C

Humidity 34%
Wind Speed W 3 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 10 Oct 02:53 PM PDT
Extended Forecast for

Dayton WA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.

    High: 54 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Columbus Day

    Columbus Day: Areas of frost before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Calm wind.
Sunday
A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 33. Light and variable wind.
Columbus Day
Areas of frost before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light and variable wind.
Monday Night
Mostly clear, with a low around 32. Light and variable wind.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton WA
 46.32°N 117.98°W (Elev. 1768 ft)
Last Update:
3:01 pm PDT Oct 10, 2026
Forecast Valid:
3pm PDT Oct 10, 2026-6pm PDT Oct 17, 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