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 >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Light Rain

79°F

26°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index83°F (28°C)
Last update 5 Aug 10:55 am EDT
Extended Forecast for

Mount Vernon VA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 88. South wind 3 to 7 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. South wind 6 to 10 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm.  Partly cloudy, with a low around 74. Southwest wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.  Chance of precipitation is 40%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly 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 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. South wind 3 to 7 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 90. South wind 6 to 10 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 74. Southwest 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 90. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly 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 73. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 73.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
12:12 pm EDT Aug 5, 2026
12pm EDT Aug 5, 2026-6pm EDT Aug 11, 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