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Heavy Rain and Thunderstorms in the Deep South and portions of the east coast

A slow moving frontal boundary will continue to bring areas of heavy rain and thunderstorms in the Deep South and East coast early this week. A low pressure system will keep conditions wet and cool through mid-week in the Upper Midwest. High pressure over the west will shift east allowing cooling along the coast, and intensifying the heat for the interior Pacific NW and Great Basin. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

79°F

26°C

Humidity 56%
Wind Speed W 9 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 May 12:52 pm EDT
Extended Forecast for

Herndon VA

  • Memorial
    Day

    Memorial Day: Isolated showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 83. West wind around 8 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 83 °F

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 61. West wind around 5 mph becoming east after midnight.

    Mostly Cloudy
    then Patchy
    Fog

    Low: 61 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 78. South wind around 7 mph.  Chance of precipitation is 50%.

    Patchy Fog
    then Chance
    Showers

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Chance
    Showers then
    Mostly Cloudy

    Low: 61 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 80. West wind 3 to 8 mph.  Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    Showers

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 57 °F

  • Thursday

    Thursday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 83 °F

Detailed Forecast

Memorial Day
Isolated showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 61. West wind around 5 mph becoming east after midnight.
Tuesday
A chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 78. South wind around 7 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. West wind 3 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
1:28 pm EDT May 29, 2017
1pm EDT May 29, 2017-6pm EDT Jun 4, 2017
 
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