National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night 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 and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Mostly Cloudy

50°F

10°C

Humidity 53%
Wind Speed SW 8 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 16 Apr 08:15 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 38 °F

    Mostly 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 41. Light north northeast wind.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain. Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 41. Light north northeast wind.
Saturday
Partly sunny, with a high near 66. Calm wind.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 69.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
Last Update:
11:27 am PDT Apr 16, 2026
Forecast Valid:
8pm PDT Apr 16, 2026-6pm PDT Apr 23, 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