Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

79°F

26°C

Humidity 69%
Wind Speed S 6 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Sep 10:52 am EDT
Extended Forecast for

Tysons Corner VA

  • Today

    Today: Scattered showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. South wind around 7 mph.  Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly between 9pm and 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. North wind around 9 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northeast wind around 7 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 79. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 88. South wind around 7 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85. North wind around 9 mph.
Friday Night
Mostly clear, with a low around 64. Northeast wind around 7 mph.
Saturday
Partly sunny, with a high near 79. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tysons Corner VA
 38.93°N 77.22°W (Elev. 354 ft)
10:53 am EDT Sep 17, 2026
11am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database