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

Western Heat Wave Continues; Watching the Gulf of Mexico

A dangerous heat wave will continue to bring record temperatures to much of the West through this week. A tropical disturbance in the southwest Gulf of Mexico will likely form into a tropical depression late this week over the central or northwestern Gulf of Mexico. Heavy rain could begin to impact portions of the northern Gulf Coast on Friday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

77°F

25°C

Humidity 45%
Wind Speed NW 14 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Jun 6:52 pm EDT
Extended Forecast for

3 Miles NW Chantilly VA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph.

    Partly Cloudy

    Low: 58 °F

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northwest wind 6 to 8 mph.

    Sunny

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 54. Light northwest wind.

    Mostly Clear

    Low: 54 °F

  • Thursday

    Thursday: Sunny, with a high near 78. Northwest wind around 6 mph.

    Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Mostly Clear

    Low: 55 °F

  • Friday

    Friday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Friday
    Night

    Friday Night: A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 67 °F

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 91 °F

  • Saturday
    Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 66 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Northwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 79. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 54. Light northwest wind.
Thursday
Sunny, with a high near 78. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 87.
Friday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles NW Chantilly VA
 38.91°N 77.45°W (Elev. 262 ft)
Last Update:
4:32 pm EDT Jun 15, 2021
Forecast Valid:
7pm EDT Jun 15, 2021-6pm EDT Jun 22, 2021
 
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