Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

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Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

61°F

16°C

Humidity	90%
Wind Speed	NW 5 mph
Barometer	30.02 in (1016.2 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	17 Aug 5:52 am EDT

More Information:

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

Extended Forecast for

Fairfax VA

Today

Partly Sunny
then
Scattered
T-storms
High: 82 °F
Tonight

Scattered
T-storms then
Partly Cloudy
Low: 62 °F
Thursday

Sunny
High: 84 °F
Thursday
Night

Partly Cloudy
Low: 65 °F
Friday

Mostly Sunny
High: 85 °F
Friday
Night

Mostly Cloudy
then Chance
Showers
Low: 68 °F
Saturday

Chance
Showers then
Chance
T-storms
High: 81 °F
Saturday
Night

Chance
T-storms then
Chance
Showers
Low: 68 °F
Sunday

Partly Sunny
then Chance
Showers
High: 84 °F

Detailed Forecast

Today

Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 82. North wind 3 to 6 mph. Chance of precipitation is 30%.

Tonight

Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 62. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the morning.

Thursday Night

Partly cloudy, with a low around 65. Calm wind.

Friday

Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.

Friday Night

A chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday

A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night

A chance of showers before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.