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

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

Boeing Field - King County International Airport (KBFI)

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

Clear

64°F

18°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 07:50 AM PDT
Extended Forecast for

Downtown Seattle WA

  • Today

    Today: Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 60. Calm wind becoming south southwest 5 to 8 mph after midnight.

    Low: 60 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 72. South wind around 8 mph.

    High: 72 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. South wind 5 to 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. South wind 3 to 6 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 60. Calm wind becoming south southwest 5 to 8 mph after midnight.
Saturday
A 50 percent chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 72. South wind around 8 mph.
Saturday Night
Mostly cloudy, with a low around 58. South wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 73. South wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A slight chance of rain. Partly sunny, with a high near 72.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.61°N 122.32°W (Elev. 240 ft)
Last Update:
11:26 pm PDT Aug 20, 2026
Forecast Valid:
8am PDT Aug 21, 2026-6pm PDT Aug 27, 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