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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

42°F

6°C

Humidity 96%
Wind Speed NW 7 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 41°F (5°C)
Visibility 3.00 mi
Wind Chill38°F (3°C)
Last update 19 Nov 5:52 am EST
Extended Forecast for

Chantilly VA

  • Today

    Today: Occasional drizzle before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. North wind 3 to 8 mph.

    High: 52 °F

    Drizzle and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Cloudy

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 58. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Occasional drizzle before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. North wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 52. Light and variable wind.
Thursday Night
Cloudy, with a low around 43. Calm wind.
Friday
A slight chance of rain. Mostly cloudy, with a high near 58. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
A chance of rain before 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.4°W (Elev. 358 ft)
Last Update:
6:06 am EST Nov 19, 2025
Forecast Valid:
6am EST Nov 19, 2025-6pm EST Nov 25, 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