Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

79°F

26°C

Humidity 47%
Wind Speed SW 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 04:55 PM PDT
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Tonight

    Tonight: A 10 percent chance of rain after 5am.  Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph.

    Low: 59 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 8am.  Cloudy, then gradual clearing during the afternoon, with a high near 74. South southwest wind around 9 mph.

    High: 74 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 58. South wind around 7 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 75. West southwest wind around 6 mph.

    High: 75 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northeast wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph.
Saturday
A 30 percent chance of rain, mainly before 8am. Cloudy, then gradual clearing during the afternoon, with a high near 74. South southwest wind around 9 mph.
Saturday Night
Increasing clouds, with a low around 58. South wind around 7 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 75. West southwest wind around 6 mph.
Sunday Night
Mostly clear, with a low around 57. North northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Tacoma International Airport WA
 47.42°N 122.29°W (Elev. 390 ft)
1:55 pm PDT Aug 21, 2026
5pm PDT Aug 21, 2026-6pm PDT Aug 28, 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