Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

74°F

23°C

Humidity	74%
Wind Speed	Calm
Barometer	30.09 in (1018.7 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	26 May 3:52 pm EDT

More Information:

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

Extended Forecast for

Reston VA

This Afternoon
High: 75 °F
Isolated
Showers
Tonight
Low: 66 °F
Showers
Likely and
Patchy Fog
Wednesday
High: 80 °F
Chance
Showers and
Patchy Fog
then Showers
Wednesday Night
Low: 64 °F
Showers
Likely and
Patchy Fog
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 77 °F
Sunny
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 77 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Isolated showers after 5pm. Mostly cloudy, with a high near 75. Light south wind. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms likely. Patchy fog after 11pm. Otherwise, cloudy, with a low around 66. Light south wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 11am. High near 80. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 4am, then a slight chance of showers after 5am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 64. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 78. North wind 7 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 56.

Friday

Sunny, with a high near 77.

Friday Night

Mostly clear, with a low around 58.

Saturday

Mostly sunny, with a high near 77.

Saturday Night

Mostly clear, with a low around 54.