Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

60°F

16°C

Humidity 58%
Wind Speed SE 9 mph
Barometer 30.32 in (1026.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Oct 6:52 pm EDT
Extended Forecast for

3 Miles SE Chantilly VA

  • Tonight

    Tonight: Cloudy, with a low around 51. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 51 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 69. East wind 5 to 7 mph.

    High: 69 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am.  Cloudy, with a low around 59. Northeast wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers.  High near 64. Northeast wind 15 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 55. North wind around 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely.  Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 51. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 69. East wind 5 to 7 mph.
Saturday Night
Showers likely, mainly after 2am. Cloudy, with a low around 59. Northeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 64. Northeast wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 55. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Chantilly VA
 38.86°N 77.37°W (Elev. 449 ft)
7:29 pm EDT Oct 10, 2025
7pm EDT Oct 10, 2025-6pm EDT Oct 17, 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