Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

66°F

19°C

Humidity 73%
Wind Speed S 7 mph
Barometer 30.27 in (1024.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 9 Jun 7:52 am EDT
Extended Forecast for

Herndon VA

  • Today

    Today: Mostly cloudy, with a high near 82. South wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, mainly after 3am.  Mostly cloudy, with a low around 68. South wind around 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 88. Southwest wind around 9 mph.  Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. Southwest wind 3 to 7 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Southwest wind 5 to 8 mph.  Chance of precipitation is 40%.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 96. Chance of precipitation is 50%.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 82. South wind 6 to 13 mph, with gusts as high as 18 mph.
Tonight
A chance of showers, mainly after 3am. Mostly cloudy, with a low around 68. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southwest wind around 9 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
7:52 am EDT Jun 9, 2026
8am EDT Jun 9, 2026-6pm EDT Jun 15, 2026
 
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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