Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Light Rain

75°F

24°C

Humidity	76%
Wind Speed	NW 13 G 20 mph
Barometer	30.01 in (1016.0 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	11 Aug 5:52 am EDT

More Information:

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

Extended Forecast for

McLean VA

Today
High: 90 °F
Chance
Showers then
Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 87 °F
Chance
Showers
Wednesday Night
Low: 71 °F
Chance
Showers
Thursday
High: 90 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 72 °F
Chance
Showers
Friday
High: 87 °F
Chance
Showers
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 83 °F
Sunny

Detailed Forecast

Today

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 90. West wind 3 to 8 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northwest wind around 5 mph. Chance of precipitation is 30%.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 87. Northwest wind around 7 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday

A slight chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 90. West wind 3 to 7 mph. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 83.

Saturday Night

Partly cloudy, with a low around 66.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.