Hazardous Weather Conditions
Current conditions at
Fort Belvoir (KDAA)
Lat: 38.72°NLon: 77.18°WElev: 69ft.
A Few Clouds
81°F
27°C
| Humidity | 77% |
| Wind Speed | SE 6 mph |
| Barometer | 29.91 in (1013.1 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 16 Aug 5:55 pm EDT |
Extended Forecast for
Lorton VA
Flood Watch August 16, 07:00pm until August 17, 03:00am
Severe T-storm Watch until August 16, 11:00pm
NOW until 11:00pm Sun

Severe T-storm Watch
Tonight

Low: 72 °F
Severe
ThunderstormsMonday
High: 90 °F
Sunny then
Chance
T-stormsMonday Night
Low: 71 °F
Chance
T-storms then
Mostly CloudyTuesday

High: 87 °F
Sunny
Tuesday Night

Low: 68 °F
Mostly Clear
Wednesday

High: 89 °F
Sunny
Wednesday Night

Low: 71 °F
Slight Chance
T-stormsThursday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms
Detailed Forecast
Tonight
Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then a slight chance of showers after 2am. Some of the storms could be severe. Low around 72. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Increasing clouds, with a low around 71. North wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 87. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 68. Light and variable wind.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Thursday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lorton VA
38.71°N 77.23°W (Elev. 125 ft)
38.71°N 77.23°W (Elev. 125 ft)
5:29 pm EDT Aug 16, 2026
6pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026



