Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

68°F

20°C

Humidity 73%
Wind Speed NW 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 19 Aug 11:30 PM PDT
Extended Forecast for

Seattle-Ballard WA

  • Overnight

    Overnight: Mostly clear, with a low around 57. North wind around 6 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North wind around 6 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm.  Mostly cloudy, with a low around 61. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 61 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 57. North wind around 6 mph becoming calm.
Thursday
Sunny, with a high near 78. Calm wind becoming north northwest 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 58. North wind around 6 mph becoming calm after midnight.
Friday
Increasing clouds, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 61. Calm wind becoming south southwest around 6 mph after midnight.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 71.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Ballard WA
 47.69°N 122.38°W (Elev. 200 ft)
11:26 pm PDT Aug 19, 2026
12am PDT Aug 20, 2026-6pm PDT Aug 26, 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