Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

76°F

24°C

Humidity	74%
Wind Speed	NW 10 mph
Barometer	29.89 in (1011.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	13 Aug 3:52 am EDT

More Information:

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

Extended Forecast for

Reston VA

Overnight
Low: 70 °F
Mostly Cloudy
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 71 °F
Mostly Cloudy
Friday
High: 84 °F
Chance
Showers
Friday Night
Low: 68 °F
Chance
Showers
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Mostly Cloudy
Sunday
High: 89 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

Mostly cloudy, with a low around 70. Light west wind.

Thursday

Mostly sunny, with a high near 89. Northwest wind 5 to 8 mph.

Thursday Night

Mostly cloudy, with a low around 71. Light northwest wind.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Mostly cloudy, with a low around 69.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

Monday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Mostly clear, with a low around 68.

Wednesday

A slight chance of showers. Sunny, with a high near 88. Chance of precipitation is 20%.