Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

96°F

36°C

Humidity 41%
Wind Speed W 10 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 1 Sep 5:52 pm EDT
Extended Forecast for

McLean VA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 75. West wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming east around 6 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Southeast wind 5 to 8 mph.  Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming west 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am.  Partly cloudy, with a low around 76. West wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers after 8am.  Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 2am.  Partly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 76. West wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A slight chance of showers after 8am. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 64.
Labor Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
4:53 pm EDT Sep 1, 2026
6pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
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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