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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Mostly Cloudy

45°F

7°C

Humidity 81%
Wind Speed S 13 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Apr 02:00 AM PDT
Extended Forecast for

Vashon WA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 5am.  Mostly cloudy, with a low around 45. South southwest wind around 11 mph.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 9am.  High near 47. South southwest wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am.  Low around 39. South southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 49. South wind 5 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 11pm.  Mostly cloudy, with a low around 36. West northwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 45. South southwest wind around 11 mph.
Tuesday
Rain, mainly after 9am. High near 47. South southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 39. South southeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 49. South wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 36. West northwest wind 5 to 8 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 56.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Partly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Vashon WA
 47.44°N 122.46°W (Elev. 387 ft)
11:27 pm PDT Apr 13, 2026
2am PDT Apr 14, 2026-6pm PDT Apr 20, 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