Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

94°F

34°C

Humidity	48%
Wind Speed	W 8 mph
Barometer	29.97 in (1014.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	1 Sep 3:52 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NW Chantilly VA

This Afternoon
High: 94 °F
Slight Chance
Showers
Tonight
Low: 75 °F
Slight Chance
T-storms then
Mostly Cloudy
Wednesday
High: 92 °F
Mostly Sunny
Wednesday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms then
Chance
Showers
Friday
High: 91 °F
Sunny then
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 85 °F
Slight Chance
Showers

Detailed Forecast

This Afternoon

A slight chance of showers. Mostly sunny, with a high near 94. Heat index values as high as 108. West wind around 7 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Saturday

A slight chance of showers after 8am. Partly sunny, with a high near 85. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 64.

Sunday

Mostly sunny, with a high near 84.