Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

50°F

10°C

Humidity 84%
Wind Speed SSW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 13 Apr 11:30 AM PDT
Extended Forecast for

Duvall WA

  • This Afternoon

    This Afternoon: Rain likely, mainly after 5pm.  Mostly cloudy, with a high near 51. South southwest wind around 6 mph becoming west.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely.  Mostly cloudy, with a low around 42. Northwest wind around 6 mph becoming south in the evening.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly after 9am.  High near 48. South wind 7 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 36. South wind 8 to 13 mph becoming light and variable  after midnight.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 49. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 51. South southwest wind around 6 mph becoming west. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely. Mostly cloudy, with a low around 42. Northwest wind around 6 mph becoming south in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 9am. High near 48. South wind 7 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 36. South wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 49. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.74°N 121.98°W (Elev. 233 ft)
11:27 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 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