National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Heat to Continue for Washington State; Flooding Impacts Expected in the Southwest U.S.

Excessive heat will continue over portions of central Washington Friday with afternoon temperatures into the 100s. In the Desert Southwest, monsoon activity will continue to generate localized flash flooding impacts in arroyos, slot canyons, and urban areas, as well as rapid rises on rivers, through this weekend. Flood Watches are widespread across Arizona, and New Mexico into far west Texas. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

73°F

23°C

Humidity 81%
Wind Speed SW 5 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 1:52 am EDT
Extended Forecast for

Tysons Corner VA

  • Overnight

    Overnight: Clear, with a low around 66. Light southwest wind.

    Clear

    Low: 66 °F

  • Friday

    Friday: A slight chance of showers after 2pm. Increasing clouds, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    Showers

    High: 87 °F

  • Friday
    Night

    Friday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 69 °F

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%.

    Chance
    Showers

    High: 83 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 67 °F

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 68 °F

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 80 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    Showers

    Low: 67 °F

Detailed Forecast

Overnight
Clear, with a low around 66. Light southwest wind.
Friday
A slight chance of showers after 2pm. Increasing clouds, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Tysons Corner VA
 38.91°N 77.22°W (Elev. 449 ft)
Last Update:
1:29 am EDT Aug 19, 2022
Forecast Valid:
2am EDT Aug 19, 2022-6pm EDT Aug 25, 2022
 
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Additional Resources

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Chance of Precipitation