Severe Thunderstorms in the Upper Midwest; Excessive Heat in the Central U.S.

Severe thunderstorms, capable of severe wind (locally exceeding hurricane force), very large hail, flash flooding, and a few tornadoes, are possible late this afternoon into tonight across portions of the of the Upper Midwest into the southern Great Lakes. Excessive heat covers much of the central third of the country and is expected to persist into the weekend over the south-central states. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

84°F

29°C

Humidity 57%
Wind Speed E 8 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Jul 7:52 pm EDT
Extended Forecast for

Tysons Corner VA

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a low around 70. East wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 70 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 72. South wind around 6 mph becoming west in the evening.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: Sunny, with a high near 86. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 60. North wind 7 to 9 mph.

    Mostly Clear

    Low: 60 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Sunday

    Sunday: A chance of showers after 8am.  Partly sunny, with a high near 82. Chance of precipitation is 50%.

    Chance
    Showers

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before midnight. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 70. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. South wind around 6 mph becoming west in the evening. Chance of precipitation is 30%.
Friday
Sunny, with a high near 86. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 60. North wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Tysons Corner VA
 38.91°N 77.22°W (Elev. 449 ft)
7:32 pm EDT Jul 28, 2021
8pm EDT Jul 28, 2021-6pm EDT Aug 4, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database