Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

26°F

-3°C

Humidity 34%
Wind Speed W 14 mph
Barometer 30.19 in (1022.7 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 29 Jan 3:55 pm EST
Extended Forecast for

Mount Vernon VA

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 23. Calm wind becoming north around 6 mph in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Calm wind becoming north around 5 mph after midnight.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after 1pm.  Mostly cloudy, with a high near 20. Wind chill values as low as zero. North wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 12. North wind 10 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 25. Blustery.

    High: 25 °F

    Partly Sunny
    and Blustery
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 23. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 9. Calm wind becoming north around 5 mph after midnight.
Saturday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 20. Wind chill values as low as zero. North wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. North wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 25. Blustery.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
12:54 pm EST Jan 29, 2026
4pm EST Jan 29, 2026-6pm EST Feb 5, 2026
 
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Additional Resources

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