Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

87°F

31°C

Humidity 61%
Wind Speed SW 15 G 23 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 5 Aug 3:52 pm EDT
Extended Forecast for

Mc Lean VA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. South wind around 7 mph.  Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 73. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 91. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 90. Southwest wind 3 to 8 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind around 7 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 92.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
3:11 pm EDT Aug 5, 2026
4pm EDT Aug 5, 2026-6pm EDT Aug 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database