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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

54°F

12°C

Humidity 80%
Wind Speed NW 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 22 May 01:30 AM PDT
Extended Forecast for

Duvall WA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind.

    High: 73 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. North northwest wind around 6 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Memorial Day

    Memorial Day: Rain, mainly after 11am. Cloudy, with a high near 60.

    High: 60 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 49. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 50. North northwest wind around 6 mph becoming calm after midnight.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50.
Memorial Day
Rain, mainly after 11am. Cloudy, with a high near 60.
Monday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
A slight chance of rain. Partly sunny, with a high near 66.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Thursday
A slight chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.74°N 121.98°W (Elev. 233 ft)
Last Update:
11:26 pm PDT May 21, 2026
Forecast Valid:
1am PDT May 22, 2026-6pm PDT May 28, 2026
 
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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