Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

65°F

18°C

Humidity 73%
Wind Speed SSW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 27 Aug 09:30 AM PDT
Extended Forecast for

Duvall WA

  • Today

    Today: Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 53. Light and variable wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly before 11am.  Patchy fog between 11am and noon. High near 68. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 53. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly before 11am. Patchy fog between 11am and noon. High near 68. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 68.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
Rain likely. Mostly cloudy, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.74°N 121.98°W (Elev. 233 ft)
11:26 pm PDT Aug 26, 2026
10am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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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