Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Heavy Rain Fog/Mist

61°F

16°C

Humidity 93%
Wind Speed NE 14 G 22 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 59°F (15°C)
Visibility 2.00 mi
Last update 22 Sep 5:52 am EDT
Extended Forecast for

3 Miles NW Chantilly VA

  • Today

    Today: Showers and possibly a thunderstorm.  Patchy fog after 7am. High near 62. Northeast wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers.  Patchy fog before 1am. Low around 55. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely, mainly before 11am.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 62. Northeast wind 11 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am.  Mostly cloudy, with a low around 53. Northeast wind around 9 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. Patchy fog after 7am. High near 62. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers. Patchy fog before 1am. Low around 55. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 62. Northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 53. Northeast wind around 9 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Chantilly VA
 38.91°N 77.45°W (Elev. 262 ft)
4:53 am EDT Sep 22, 2026
6am EDT Sep 22, 2026-6pm EDT Sep 28, 2026
 
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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