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

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

52°F

11°C

Humidity 26%
Wind Speed W 15 G 23 mph
Barometer 29.92 in (1013.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 17 Nov 12:55 pm EST
Extended Forecast for

Mount Vernon VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. Northwest wind around 14 mph, with gusts as high as 25 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain after 1pm. Increasing clouds, with a high near 51. Light and variable wind. Chance of precipitation is 50%.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 41. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Calm wind becoming north around 6 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 51. Northwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
A chance of rain after 1pm. Increasing clouds, with a high near 51. Light and variable wind. Chance of precipitation is 50%.
Tuesday Night
Rain. Low around 41. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, with a high near 55. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.08°W (Elev. 13 ft)
Last Update:
12:53 pm EST Nov 17, 2025
Forecast Valid:
1pm EST Nov 17, 2025-6pm EST Nov 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation