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.

Overcast

32°F

0°C

Humidity 41%
Wind Speed N 9 mph
Barometer 30.29 in (1025.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 4 Dec 11:52 pm EST
Extended Forecast for

2 Miles ESE Chantilly VA

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

  • Overnight

    Overnight: Snow likely, mainly after 5am. Cloudy, with a low around 21. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow before 11am, then a chance of snow and freezing rain between 11am and 3pm, then a slight chance of freezing rain after 3pm. High near 32. East wind 3 to 5 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Wintry Mix
    then Slight
    Chance Wintry
    Mix

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Light southwest wind.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Cloudy, with a low around 21. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow before 11am, then a chance of snow and freezing rain between 11am and 3pm, then a slight chance of freezing rain after 3pm. High near 32. East wind 3 to 5 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Saturday
Mostly sunny, with a high near 43. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 27. Light and variable wind.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Chantilly VA
 38.86°N 77.37°W (Elev. 449 ft)
Last Update:
9:52 pm EST Dec 4, 2025
Forecast Valid:
12am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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