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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1017.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 5 Aug 6:55 am EDT
Extended Forecast for

Accokeek MD

Flood Watch August 5, 08:01am until August 5, 11:00am
Click here for hazard details and duration
...
  •  
    Flood Watch August 5, 08:01am until August 5, 11:00am

    NOW until 11:00am Wed

    Flood Watch

  • Today

    High: 88 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 72. South wind around 6 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 73. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Southwest wind 6 to 8 mph.  Chance of precipitation is 40%.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday 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

  • Saturday

    Saturday: 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

  • 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

Today
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 72. South wind around 6 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 91. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. 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 91.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. 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 93. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.66°N 77.01°W (Elev. 167 ft)
7:52 am EDT Aug 5, 2026
8am 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