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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

72°F

22°C

Humidity 64%
Wind Speed SSW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 22 Aug 01:30 PM PDT
Extended Forecast for

Duvall WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of rain after 2am. Increasing clouds, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

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

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

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

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 77. Calm wind.
Tonight
A 20 percent chance of rain after 2am. Increasing clouds, with a low around 57. Calm wind.
Sunday
A 20 percent chance of rain between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Monday
Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A chance of rain, mainly after 11pm. Partly cloudy, with a low around 55.
Thursday
A chance of rain. Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.74°N 121.98°W (Elev. 233 ft)
Last Update:
11:26 am PDT Aug 22, 2026
Forecast Valid:
2pm PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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