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

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

42°F

6°C

Humidity 90%
Wind Speed S 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 15 Apr 12:30 PM PDT
Extended Forecast for

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 7 mph becoming north.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm.  Low around 36. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. South wind 3 to 5 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South wind 3 to 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Calm 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 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain.  Mostly cloudy, with a high near 64.

    High: 64 °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 7 mph becoming north. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm. Low around 36. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 55. South wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 41. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 57. Calm 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 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Seattle WA
 47.63°N 122.33°W (Elev. 39 ft)
11:28 am PDT Apr 15, 2026
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database