Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. 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

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	30.00 in (1015.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	9 Aug 3:52 am EDT

More Information:

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

Extended Forecast for

Vienna VA

Today
High: 91 °F
Decreasing
Clouds
Tonight
Low: 72 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 74 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 90 °F
Partly Sunny
then Showers
Likely
Tuesday Night
Low: 72 °F
Showers
Likely
Wednesday
High: 88 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 88 °F
Chance
Showers

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 91. Northwest wind 3 to 7 mph.

Tonight

Mostly clear, with a low around 72. Calm wind.

Monday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Northwest wind around 5 mph. Chance of precipitation is 20%.

Tuesday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. West wind 3 to 8 mph. Chance of precipitation is 70%.

Tuesday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Wednesday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Thursday

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Friday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 84.