Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

82°F

28°C

Humidity	58%
Wind Speed	S 9 mph
Barometer	30.20 in (1022.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	9 Sep 11:52 am EDT

More Information:

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

Extended Forecast for

Dulles VA

Today
High: 87 °F
Mostly Sunny
Tonight
Low: 71 °F
Mostly Clear
Thursday
High: 87 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 67 °F
Showers
Friday
High: 82 °F
Mostly Sunny
Friday Night
Low: 65 °F
Mostly Cloudy
then Slight
Chance
Showers
Saturday
High: 81 °F
Showers
Likely
Saturday Night
Low: 68 °F
Showers
Likely
Sunday
High: 83 °F
Mostly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 87. Southwest wind 8 to 10 mph.

Tonight

Mostly clear, with a low around 71. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

Thursday

A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. West wind 6 to 8 mph. Chance of precipitation is 30%.

Thursday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 67. Northwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 82. North wind around 6 mph.

Friday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 68.

Tuesday

Mostly sunny, with a high near 86.