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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in (1017.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 23 Nov 3:52 am EST
Extended Forecast for

2 Miles ESE Chantilly VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Calm wind.
Sunday
Mostly sunny, with a high near 60. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. West wind around 7 mph.
Monday
Sunny, with a high near 56. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 41. South wind around 7 mph.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 37.
Thanksgiving Day
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Chantilly VA
 38.86°N 77.37°W (Elev. 449 ft)
Last Update:
3:53 am EST Nov 23, 2025
Forecast Valid:
3am EST Nov 23, 2025-6pm EST Nov 29, 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