National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

84°F

29°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 11 Jul 6:52 pm EDT
Extended Forecast for

Reston VA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66. East wind around 6 mph becoming calm after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers before 2pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 82. East wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 66. East wind around 6 mph becoming calm after midnight.
Monday
A chance of showers before 2pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 82. East wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 65. Light southeast wind.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 70.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.96°N 77.33°W (Elev. 325 ft)
Last Update:
4:53 pm EDT Jul 11, 2026
Forecast Valid:
6pm EDT Jul 11, 2026-6pm EDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation