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

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

33°F

1°C

Humidity 17%
Wind Speed W 9 G 20 mph
Barometer 30.35 in (1028.1 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 20 Jan 1:55 pm EST
Extended Forecast for

Annandale VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. West wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 16. Light and variable wind.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.

    High: 19 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 29. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 16. Light and variable wind.
Wednesday
Sunny, with a high near 40. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 14. Chance of precipitation is 80%.
Sunday
Snow. High near 21. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
12:53 pm EST Jan 20, 2026
Forecast Valid:
2pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation