National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

65°F

18°C

Humidity 79%
Wind Speed Calm
Barometer 29.83 in (1010.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 5:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Today

    Today: Mostly sunny, with a high near 84. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88. East wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Increasing clouds, with a low around 51. Southeast wind 5 to 9 mph becoming light. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 64. Northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 8pm. Mostly clear, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 88. East wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A chance of showers. Increasing clouds, with a low around 51. Southeast wind 5 to 9 mph becoming light. Chance of precipitation is 50%.
Sunday
Showers, mainly before 2pm. High near 64. Northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers, mainly before 8pm. Mostly clear, with a low around 42. Chance of precipitation is 30%.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
4:54 am EDT Apr 17, 2026
Forecast Valid:
6am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation