Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. 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.

A Few Clouds

67°F

19°C

Humidity	91%
Wind Speed	Calm
Barometer	30.04 in (1017.0 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	20 May 6:52 am EDT

More Information:

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

Extended Forecast for

Oakton VA

Today
High: 96 °F
Sunny then
Showers
Likely
Tonight
Low: 59 °F
Showers
Likely
Thursday
High: 67 °F
Showers
Thursday Night
Low: 53 °F
Showers
Likely
Friday
High: 62 °F
Showers
Friday Night
Low: 51 °F
Showers
Saturday
High: 65 °F
Showers
Saturday Night
Low: 56 °F
Showers
Likely
Sunday
High: 71 °F
Chance
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 96. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 59. North wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 67. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers, with thunderstorms also possible after 5pm. High near 62. East wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

Saturday

Showers. High near 65. Chance of precipitation is 80%.

Saturday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

Sunday

A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

Memorial Day

A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.