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Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Overcast

37°F

3°C

Humidity 93%
Wind Speed SE 8 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill31°F (-1°C)
Last update 16 Apr 05:35 AM PDT
Extended Forecast for

Vashon WA

Frost Advisory until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 16, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 35 °F

    Areas Frost

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. South wind 5 to 7 mph.

    High: 54 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. South wind 3 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. North wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of frost. Otherwise, mostly cloudy, with a low around 35. Light south wind.
Thursday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. South wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 39. South wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 55. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 42. North wind 3 to 5 mph.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
A chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 49.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vashon WA
 47.44°N 122.46°W (Elev. 387 ft)
Last Update:
1:20 am PDT Apr 16, 2026
Forecast Valid:
5am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation