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

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

83°F

28°C

Humidity 52%
Wind Speed NNW 4 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 64°F (18°C)
Visibility NA
Heat Index84°F (29°C)
Last update 21 Aug 12:30 PM PDT
Extended Forecast for

Seattle-University WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. Northwest wind around 5 mph becoming calm.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 61. Calm wind becoming south southwest 5 to 8 mph in the evening.

    Low: 61 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain between 10am and noon. Cloudy, then gradual clearing during the afternoon, with a high near 76. South wind 8 to 10 mph.

    High: 76 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59. Southwest wind around 6 mph becoming calm.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 76. South wind around 5 mph becoming calm in the afternoon.

    High: 76 °F

    Partly Sunny

  • Sunday Night

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

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °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 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. Northwest wind around 5 mph becoming calm.
Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 61. Calm wind becoming south southwest 5 to 8 mph in the evening.
Saturday
A 40 percent chance of rain between 10am and noon. Cloudy, then gradual clearing during the afternoon, with a high near 76. South wind 8 to 10 mph.
Saturday Night
Increasing clouds, with a low around 59. Southwest wind around 6 mph becoming calm.
Sunday
Partly sunny, with a high near 76. South wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A slight chance of rain. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-University WA
 47.63°N 122.3°W (Elev. 190 ft)
Last Update:
11:26 am PDT Aug 21, 2026
Forecast Valid:
1pm PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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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