Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Seattle, Seattle Boeing Field (KBFI)

Lat: 47.54583°NLon: 122.31361°WElev: 16ft.

Partly Cloudy

73°F

23°C

Humidity 44%
Wind Speed NW 8 MPH
Barometer 30.22 in (1023.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jul 5:53 pm PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 57 °F

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    Sunny

    High: 81 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Mostly Clear

    Low: 61 °F

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    Sunny

    High: 81 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 60. Southwest wind around 6 mph.

    Mostly Cloudy

    Low: 60 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 76.

    Partly Sunny

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 60. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Mercer Island WA
 47.55°N 122.24°W (Elev. 3 ft)
3:01 pm PDT Jul 23, 2016
6pm PDT Jul 23, 2016-6pm PDT Jul 30, 2016
 
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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