Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Mostly Cloudy

45°F

7°C

Humidity 81%
Wind Speed ESE 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Apr 01:15 PM PDT
Extended Forecast for

3 Miles SW South Seattle WA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm.  Steady temperature around 46. South southwest wind around 8 mph becoming northwest.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Showers

  • Tonight

    Tonight: Rain, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible.  Low around 36. North northeast wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 55. South wind 3 to 6 mph.

    High: 55 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Steady temperature around 46. South southwest wind around 8 mph becoming northwest. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain, possibly mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Low around 36. North northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Increasing clouds, with a high near 55. South wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 40. South wind around 6 mph.
Friday
Mostly sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 48.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW South Seattle WA
 47.52°N 122.36°W (Elev. 397 ft)
11:28 am PDT Apr 15, 2026
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 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