On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Slight risk of severe weather on Sunday

The NWS Storm Prediction Center expects a slight risk of severe weather in portions of the Great Lakes and Midwest on Sunday. The area of greatest concern is in Michigan, southeast Wisconsin, northern Illinois, and northern Indiana. The primary risks for this area will be damaging winds and large hail, but an isolated tornado cannot be ruled out.
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Current conditions at

Washington DC, Washington-Dulles International Airport (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

76°F

24°C

Humidity 58%
Wind Speed NW 6 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Aug 9:52 pm EDT
Extended Forecast for

2 Miles WNW Washington-Dulles International Airport VA

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind becoming northwest around 5 mph after midnight.

    Mostly Clear

    Low: 65 °F

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.

    Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 67. South wind 3 to 5 mph.

    Mostly Clear

    Low: 67 °F

  • Monday

    Monday: Mostly sunny, with a high near 91. Southwest wind 6 to 14 mph.

    Mostly Sunny

    High: 91 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 68. West wind 6 to 9 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Slight Chance
    Showers

    Low: 68 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    Mostly Sunny

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 69.

    Mostly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 87. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 66 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. South wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 91. Southwest wind 6 to 14 mph.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 68. West wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
2 Miles WNW Washington-Dulles International Airport VA
 38.98°N 77.5°W (Elev. 256 ft)
7:37 pm EDT Aug 1, 2015
10pm EDT Aug 1, 2015-6pm EDT Aug 8, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database