Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

76°F

24°C

Humidity	62%
Wind Speed	S 9 mph
Barometer	29.76 in (1007.5 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	17 Jun 11:52 pm EDT

More Information:

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

Extended Forecast for

5 Miles NNW Haymarket VA

Overnight
Low: 71 °F
Mostly Cloudy
Thursday
High: 92 °F
Breezy.
Slight Chance
Showers then
Chance
T-storms
Thursday Night
Low: 68 °F
Mostly Cloudy
Juneteenth
High: 84 °F
Decreasing
Clouds
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 18 mph.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 92. Breezy, with a south wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

Thursday Night

Mostly cloudy, with a low around 68. West wind 5 to 10 mph, with gusts as high as 20 mph.

Juneteenth

Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 63. Northwest wind 6 to 9 mph.

Saturday

Sunny, with a high near 83.

Saturday Night

Mostly clear, with a low around 63.

Sunday

Mostly sunny, with a high near 86.

Sunday Night

A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Monday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Mostly clear, with a low around 63.

Wednesday

Mostly sunny, with a high near 84.