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

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

74°F

23°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 30 Jun 1:52 am EDT
Extended Forecast for

Tysons Corner VA

  • Overnight

    Overnight: Mostly clear, with a low around 68. South wind around 6 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 103. Southwest wind 5 to 9 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind 3 to 6 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 20%.

    High: 102 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 68. South wind around 6 mph.
Tuesday
Sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 103. Southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 78.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tysons Corner VA
 38.91°N 77.22°W (Elev. 449 ft)
Last Update:
10:53 pm EDT Jun 29, 2026
Forecast Valid:
2am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation