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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Partly Cloudy

63°F

17°C

Humidity 50%
Wind Speed N 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 May 10:53 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Mostly clear, with a low around 52. North northeast wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 52. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 6 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South southwest wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Memorial Day

    Memorial Day: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 52. North northeast wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 52. North northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 51. South southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 51.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.
Monday Night
Rain likely, mainly before 11pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers, mainly after 11am. Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A slight chance of showers. Partly sunny, with a high near 68.
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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:
1:43 pm PDT May 21, 2026
Forecast Valid:
11pm PDT May 21, 2026-6pm PDT May 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation