Tracking Storm System Across the Central U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

58°F

14°C

Humidity 39%
Wind Speed NW 8 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 10:52 am EDT
Extended Forecast for

Chantilly VA

  • Today

    Today: Sunny, with a high near 64. Northwest wind around 8 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South wind around 7 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm.  Partly sunny, with a high near 75. South wind 10 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am.  Mostly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 45. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. South wind around 7 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 75. South wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.4°W (Elev. 358 ft)
10:29 am EDT Oct 17, 2025
11am EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
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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