Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

87°F

31°C

Humidity 80%
Wind Speed S 6 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 4 Jul 12:52 am EDT
Extended Forecast for

Fort Myer VA

Extreme Heat Warning July 4, 10:00am until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly clear, with a low around 81. Northwest wind 3 to 5 mph.

    Low: 81 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 3pm.  Sunny and hot, with a high near 102. Heat index values as high as 110. North wind 5 to 8 mph becoming southwest in the afternoon.  Chance of precipitation is 30%.

    High: 102 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 75. South wind around 6 mph becoming west in the evening.  Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 95 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 72. East wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 72. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 81. Northwest wind 3 to 5 mph.
Independence Day
A chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 102. Heat index values as high as 110. North wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. South wind around 6 mph becoming west in the evening. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Myer VA
 38.87°N 77.08°W (Elev. 200 ft)
10:53 pm EDT Jul 3, 2026
1am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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