National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Snow

29°F

-2°C

Humidity 58%
Wind Speed E 5 mph
Barometer 30.24 in (1024.5 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill24°F (-4°C)
Last update 5 Dec 5:52 am EST
Extended Forecast for

Chantilly VA

Winter Weather Advisory December 5, 06:51am until December 5, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 5, 06:51am until December 5, 04:00pm

    NOW until 4:00pm Fri

    Winter Weather Advisory

  • Today

    High: 33 °F

    Snow then
    Slight Chance
    Snow

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 42. Light south wind.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Today
Snow, mainly before 8am. High near 33. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Saturday
Partly sunny, with a high near 42. Light south wind.
Saturday Night
Partly cloudy, with a low around 26. Light and variable wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.4°W (Elev. 358 ft)
Last Update:
3:53 am EST Dec 5, 2025
Forecast Valid:
6am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation