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Severe Thunderstorms & Heavy Rain in the Plains/Midwest; Clouds and Rain Threaten Eclipse Viewing for Some

While much of the nation observes today's eclipse, clouds threaten to obscure the view in parts of the Plains, Midwest, Mid-Atlantic, Southwest, and Southeast states. The weather could be more than just a nuisance in the north-central Plains and Midwest where scattered severe storms are possible this afternoon and evening. Very large hail, damaging wind gusts, and flash floods are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

78°F

26°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 7:52 pm EDT
Extended Forecast for

Sterling VA

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 72. South wind 5 to 7 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Mostly Cloudy

    Low: 72 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Southwest wind 6 to 13 mph.

    Mostly Sunny

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind 5 to 9 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Partly sunny, with a high near 83. Northwest wind 5 to 9 mph.  Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 62. North wind 3 to 6 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 62 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

  • Friday

    Friday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Friday
    Night

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

    Mostly Clear

    Low: 57 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm. Mostly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 94. Southwest wind 6 to 13 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 83. Northwest wind 5 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. North wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Sterling VA
 39°N 77.44°W (Elev. 299 ft)
8:10 pm EDT Aug 21, 2017
8pm EDT Aug 21, 2017-6pm EDT Aug 28, 2017
 
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