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

Inclement Weather in the Pacific Northwest; Heavy Rain and Thunderstorms in Southern Texas

A series of cold fronts will continue to bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this week. Heavy to excessive rainfall may produce areas of flooding over southern Texas through Monday morning. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

63°F

17°C

Humidity 37%
Wind Speed NW 13 G 26 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Nov 12:52 pm EST
Extended Forecast for

Chantilly VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 69. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 69. Light and variable wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Veterans Day
Mostly sunny, with a high near 67. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 50. Breezy.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.4°W (Elev. 358 ft)
Last Update:
10:48 am EST Nov 9, 2026
Forecast Valid:
1pm EST Nov 9, 2026-6pm EST Nov 15, 2026
 
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