Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. 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.

Partly Cloudy

74°F

23°C

Humidity	46%
Wind Speed	SW 6 mph
Barometer	29.94 in (1013.5 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	10 May 10:52 am EDT

More Information:

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

Extended Forecast for

Reston VA

Today
High: 81 °F
Sunny then
Showers
Likely
Tonight
Low: 52 °F
Showers
Likely then
Slight Chance
Showers
Monday
High: 66 °F
Chance
Showers
Monday Night
Low: 46 °F
Decreasing
Clouds
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 71 °F
Mostly Cloudy
then Showers
Likely
Wednesday Night
Low: 52 °F
Showers
Thursday
High: 68 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 9pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 52. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind 3 to 6 mph. Chance of precipitation is 40%.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 46. North wind around 6 mph.

Tuesday

Sunny, with a high near 68. North wind around 6 mph.

Tuesday Night

Partly cloudy, with a low around 52.

Wednesday

Showers likely after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

Wednesday Night

Showers, mainly before 2am. Low around 52. Chance of precipitation is 80%.

Thursday

Mostly sunny, with a high near 68.