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Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

75°F

24°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Apr 9:52 am EDT
Extended Forecast for

Vienna VA

  • Today

    Today: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 91. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Slight Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 2am.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 68. Southwest wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 40%.

    Chance
    T-storms and
    Patchy Fog

    Low: 68 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 84. Southeast wind 5 to 9 mph.  Chance of precipitation is 30%.

    Chance
    T-storms and
    Patchy Fog

    High: 84 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 66. South wind 6 to 9 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 66 °F

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 82. South wind 11 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 82 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely between 8pm and 2am, then a chance of showers.  Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 61 °F

  • Tuesday

    Tuesday: A chance of showers before 8am.  Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Sunny

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Southwest wind around 10 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. South wind 6 to 9 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday Night
Showers and thunderstorms likely between 8pm and 2am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
Rain likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Friday
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
7:39 am EDT Apr 29, 2017
10am EDT Apr 29, 2017-6pm EDT May 5, 2017
 
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