Severe Storms and Flash Flooding in the Midwest: Critical Fire Weather Threats in the West

Strong to severe storms with damaging winds, large hail, and locally heavy rain will be possible from the Central Plains to the Mid-South and the Great Lakes as a cold front moves eastward. An organized area of thunderstorms may produce a greater severe threat, including a derecho with winds up to 100 mph across parts of Iowa, Illinois, and southern Wisconsin. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

90°F

32°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 10 Aug 5:52 pm EDT
Extended Forecast for

Reston VA

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 72. South wind 5 to 7 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Mostly Clear

    Low: 72 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92. South wind 5 to 8 mph.  Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73. South wind 3 to 7 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 73 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 73 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm.  Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

    Chance
    Showers then
    T-storms
    Likely

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 72 °F

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 85 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 72 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. South wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
4:32 pm EDT Aug 10, 2020
6pm EDT Aug 10, 2020-6pm EDT Aug 17, 2020
 
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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