Severe Thunderstorms and Heavy Rain for the South-Central U.S.

Severe thunderstorms capable of very large hail, damaging wind, and a couple of tornadoes will be possible Monday afternoon into the night from portions of the central and southern High Plains into southwest Texas. A heavy rain event with flooding is expected in the southern Plains into western Arkansas through the end of the week. 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

46°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.28 in (1025.4 mb)
Dewpoint 44°F (7°C)
Visibility 7.00 mi
Last update 17 May 5:52 am EDT
Extended Forecast for

Reston VA

  • Today

    Today: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 72. Light and variable wind becoming south around 5 mph in the afternoon.

    Patchy Fog
    then Partly
    Sunny

    High: 72 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southeast wind 3 to 5 mph.

    Partly Cloudy

    Low: 54 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South wind 3 to 6 mph.

    Mostly Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 56. South wind around 6 mph.

    Mostly Clear

    Low: 56 °F

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light and variable wind.

    Sunny

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Friday

    Friday: Mostly sunny, with a high near 88.

    Mostly Sunny

    High: 88 °F

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Light and variable wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 54. Southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 78. South wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 56. South wind around 6 mph.
Wednesday
Sunny, with a high near 84. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
4:31 am EDT May 17, 2021
5am EDT May 17, 2021-6pm EDT May 23, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database