Barry Fading Away; Attention Turns To Major Summer Heat Wave

Post-Tropical Barry continues to steadily weaken and will fade away over the next day or two. The decaying system may still produce very heavy rainfall and possible flash flooding from the Lower Mississippi Valley to the Ohio Valley. Attention on the weather then shifts from Barry to a major summer heat wave mid to late week into the weekend, across much of the Central and Eastern states. 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

84°F

29°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Jul 9:52 am EDT
Extended Forecast for

3 Miles ESE Chantilly VA

  • Today

    Today: Scattered showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 30%.

    Mostly Sunny
    then
    Scattered
    T-storms

    High: 92 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 74. South wind around 5 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms then
    Mostly Cloudy

    Low: 74 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 95. Heat index values as high as 100. Southwest wind 5 to 9 mph.  Chance of precipitation is 40%.

    Partly Sunny
    then Chance
    T-storms

    High: 95 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Southwest wind 3 to 7 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 75 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 90. West wind 3 to 6 mph.  Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 90 °F

  • Thursday
    Night

    Thursday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 75 °F

  • Friday

    Friday: Sunny and hot, with a high near 97.

    Hot

    High: 97 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 78.

    Partly Cloudy

    Low: 78 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98.

    Hot

    High: 98 °F

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 11pm. Mostly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Heat index values as high as 100. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 90. West wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Mostly cloudy, with a low around 75.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
3 Miles ESE Chantilly VA
 38.85°N 77.35°W (Elev. 400 ft)
10:31 am EDT Jul 16, 2019
10am EDT Jul 16, 2019-6pm EDT Jul 22, 2019
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database