Heat Continues in the Northeast and Northwest U.S.; Areas of Flash Flooding In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the interior Northwest and Northeast U.S. Some relief is expected by Wednesday for the Northeast. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. Thunderstorms, some severe, may produce excessive rainfall from the Ohio Valley to the Central Appalachians. Read More >

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Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

81°F

27°C

Humidity	72%
Wind Speed	Calm
Barometer	30.03 in (1016.8 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	10 Aug 12:52 am EDT

More Information:

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

Extended Forecast for

Tysons Corner VA

Overnight

Partly Cloudy
Low: 75 °F
Wednesday

Mostly Sunny
then T-storms
Likely
High: 90 °F
Wednesday
Night

T-storms
Likely
Low: 71 °F
Thursday

Slight Chance
Showers
High: 85 °F
Thursday
Night

Partly Cloudy
Low: 66 °F
Friday

Sunny
High: 80 °F
Friday
Night

Clear
Low: 60 °F
Saturday

Sunny
High: 80 °F
Saturday
Night

Mostly Clear
Low: 60 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 75. Light north wind.

Wednesday

Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 90. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 71. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A slight chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 66. Northwest wind 5 to 8 mph.

Friday

Sunny, with a high near 80.

Friday Night

Clear, with a low around 60.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 60.

Sunday

Mostly sunny, with a high near 82.