Dangerous Heat and Humidity Building from the Plains to the East Coast

Strengthening high pressure will bring much above normal high and low temperatures. Widespread highs in the 90s to 100 combined with dewpoints surging into the mid and upper 70s will create heat indices as high as 110 through this weekend. In addition, overnight temperatures in the 70s to low 80s will reduce the ability of the body to recover from daytime heating. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

94°F

34°C

Humidity 49%
Wind Speed S 17 G 24 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 17 Jul 4:52 pm EDT
Extended Forecast for

Tysons Corner VA

Severe T-storm Watch until July 18, 12:00am
Heat Advisory until July 17, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until July 18, 12:00am
    Heat Advisory until July 17, 08:00pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce gusty winds and heavy rain.  Partly sunny, with a high near 96. Heat index values as high as 104. Southwest wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 96 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce gusty winds and heavy rain.  Mostly cloudy, with a low around 75. Southwest wind 5 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 75 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 11am.  Mostly cloudy, with a high near 92. Heat index values as high as 100. West wind 5 to 7 mph.  Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 76. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 76 °F

  • Friday

    Friday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    Hot

    High: 98 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 80.

    Partly Cloudy

    Low: 80 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99.

    Hot

    High: 99 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 79.

    Partly Cloudy

    Low: 79 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce gusty winds and heavy rain. Partly sunny, with a high near 96. Heat index values as high as 104. Southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 75. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 92. Heat index values as high as 100. West wind 5 to 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 76. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 80.
Saturday
Mostly sunny and hot, with a high near 99.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 93. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Tysons Corner VA
 38.91°N 77.22°W (Elev. 449 ft)
1:31 pm EDT Jul 17, 2019
4pm EDT Jul 17, 2019-6pm EDT Jul 24, 2019
 
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Additional Resources

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