Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

26°F

-3°C

Humidity 50%
Wind Speed NW 3 mph
Barometer 29.95 in (1014.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Jan 11:55 pm EST
Extended Forecast for

2 Miles SW Mantua VA

  • Overnight

    Overnight: Mostly clear, with a low around 22. West wind 3 to 5 mph.

    Low: 22 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 40. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 29. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 29 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. Light and variable wind.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 22. West wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 40. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 29. West wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 15. Light and variable wind.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 21.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Mantua VA
 38.82°N 77.27°W (Elev. 299 ft)
9:53 pm EST Jan 18, 2026
12am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database