Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

78°F

26°C

Humidity 57%
Wind Speed N 5 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 62°F (17°C)
Visibility NA
Heat Index80°F (27°C)
Last update 13 Aug 06:30 PM PDT
Extended Forecast for

3 Miles WNW Sammamish WA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Light north wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Sunday Night

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

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Partly cloudy, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind.
Saturday Night
Partly cloudy, with a low around 57. Light north wind.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sammamish WA
 47.64°N 122.11°W (Elev. 200 ft)
3:11 pm PDT Aug 13, 2026
7pm PDT Aug 13, 2026-6pm PDT Aug 20, 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