Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

Multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms are possible from the central Plains into the Great Lakes today, Friday and Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

20°C

68°F

Humidity 61%
Wind Speed Calm
Barometer 1027.8 mb (30.36 in)
Dewpoint 12°C (54°F)
Visibility 16 km
Last update 24 Jun 8:52 am EDT
Extended Forecast for

Reston VA

  • Today

    Today: Sunny, with a high near 26. Southeast wind 5 to 11 km/h.

    Sunny

    High: 26 °C

  • Tonight

    Tonight: Mostly clear, with a low around 14. East wind 5 to 10 km/h.

    Mostly Clear

    Low: 14 °C

  • Friday

    Friday: Mostly sunny, with a high near 28. Calm wind becoming south 5 to 10 km/h in the afternoon.

    Mostly Sunny

    High: 28 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 21. South wind around 11 km/h.

    Mostly Cloudy

    Low: 21 °C

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 31. South wind 10 to 16 km/h, with gusts as high as 29 km/h.  Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 31 °C

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 22. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 22 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    Mostly Sunny

    High: 33 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 23.

    Partly Cloudy

    Low: 23 °C

  • Monday

    Monday: A chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 33. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 33 °C

Detailed Forecast

Today
Sunny, with a high near 26. Southeast wind 5 to 11 km/h.
Tonight
Mostly clear, with a low around 14. East wind 5 to 10 km/h.
Friday
Mostly sunny, with a high near 28. Calm wind becoming south 5 to 10 km/h in the afternoon.
Friday Night
Mostly cloudy, with a low around 21. South wind around 11 km/h.
Saturday
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 31. South wind 10 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 23.
Monday
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 33. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 22. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 136 m)
10:34 am EDT Jun 24, 2021
11am EDT Jun 24, 2021-6pm EDT Jun 30, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database