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

Hazardous Weather Conditions

Current conditions at

Walla Walla Regional Airport (KALW)

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

smoke

82°F

28°C

Humidity 23%
Wind Speed WNW 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 10:20 AM PDT
Extended Forecast for

Dayton WA

Fire Weather Watch August 22, 12:00pm until August 22, 10:00pm
Heat Advisory August 20, 11:00am until August 21, 10:00pm
Click here for hazard details and duration
Fire Weather Watch
Heat Advisory

  • Today

    Today: Patchy smoke before 2pm. Sunny, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 97 °F

    Patchy Smoke

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Patchy smoke before 11am. Increasing clouds and hot, with a high near 102. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 102 °F

    Patchy Smoke
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Patchy Smoke

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before 2pm. Sunny, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 62. Calm wind.
Friday
Patchy smoke before 11am. Increasing clouds and hot, with a high near 102. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 93. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 89.
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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:
8:57 am PDT Aug 20, 2026
Forecast Valid:
10am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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