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Severe Thunderstorms And Heavy Rain Expected From Ohio Valley To Interior Northeast

Scattered to numerous severe thunderstorms are expected from the Ohio Valley to western New England this afternoon and evening ahead of a strong cold front. Widespread damaging winds and a few tornadoes are possible, mainly over parts of New York into Pennsylvania. In addition, these storms may contain heavy rainfall that could lead to flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

90°F

32°C

Humidity 58%
Wind Speed S 14 G 21 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 22 Aug 4:52 pm EDT
Extended Forecast for

Great Falls VA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 8pm and 2am.  Mostly cloudy, with a low around 72. South wind 6 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 83. Northwest wind 7 to 9 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Chance
    T-storms

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: A chance of thunderstorms before 8pm.  Mostly clear, with a low around 62. North wind around 6 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Clear

    Low: 62 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Northwest wind around 6 mph.

    Mostly Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 60. North wind 3 to 6 mph.

    Partly Cloudy

    Low: 60 °F

  • Friday

    Friday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

  • Saturday

    Saturday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 72. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 62. North wind around 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 79. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 60. North wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
4:31 pm EDT Aug 22, 2017
5pm EDT Aug 22, 2017-6pm EDT Aug 29, 2017
 
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