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.

Overcast

77°F

25°C

Humidity 88%
Wind Speed E 7 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Aug 2:52 am EDT
Extended Forecast for

Mc Lean VA

Flood Watch August 5, 04:00am until August 5, 11:00am
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am.  Patchy fog between 7am and 8am.  Otherwise, mostly cloudy, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm.  Partly cloudy, with a low around 73. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 74. Southwest wind 3 to 7 mph.  Chance of precipitation is 30%.

    Low: 74 °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 50%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind 3 to 7 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 50%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 93.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
2:22 am EDT Aug 5, 2026
3am EDT Aug 5, 2026-6pm EDT Aug 11, 2026
 
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Additional Resources

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