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Tropical Storm Cindy Forecast to Move Onshore Thursday

Heavy rain from Tropical Storm Cindy will continue inundating the Gulf Coast. Rain amounts of 6-9 inches, with isolated amounts of 15 inches, will bring a high risk of reaching excessive levels and producing life-threatening flash floods along the Gulf Coast, especially, the central Gulf Coast. Out west, dangerous, record breaking heat continues for the Southwest and portions of California. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

79°F

26°C

Humidity 65%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Jun 8:52 am EDT
Extended Forecast for

Herndon VA

  • Today

    Today: Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.

    Partly Sunny

    High: 90 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 73. Southwest wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Mostly Cloudy
    then Showers
    Likely

    Low: 73 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am.  Cloudy, with a high near 87. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 72. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    Low: 72 °F

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 2pm, then a slight chance of showers and thunderstorms after 2pm.  High near 86. West wind 6 to 11 mph.  Chance of precipitation is 80%.

    Showers

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

  • Monday

    Monday: Mostly sunny, with a high near 80.

    Mostly Sunny

    High: 80 °F

Detailed Forecast

Today
Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 73. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Cloudy, with a high near 87. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 72. Southwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm, mainly before 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 86. West wind 6 to 11 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
8:25 am EDT Jun 22, 2017
9am EDT Jun 22, 2017-6pm EDT Jun 28, 2017
 
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