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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

A Few Clouds

28°F

-2°C

Humidity 26%
Wind Speed S 9 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 27 Jan 1:55 pm EST
Extended Forecast for

Annandale VA

Cold Weather Advisory January 27, 07:00pm until January 28, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 25. Southwest wind 7 to 9 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -1. Northwest wind around 7 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 22. Wind chill values as low as -2. Northwest wind 5 to 9 mph.

    High: 22 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6. Wind chill values as low as -3. Calm wind becoming northwest around 6 mph after midnight.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 24. Northwest wind 6 to 9 mph.

    High: 24 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.

    High: 17 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 25. Southwest wind 7 to 9 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -1. Northwest wind around 7 mph.
Wednesday
Increasing clouds, with a high near 22. Wind chill values as low as -2. Northwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 6. Wind chill values as low as -3. Calm wind becoming northwest around 6 mph after midnight.
Thursday
Sunny, with a high near 24. Northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
12:54 pm EST Jan 27, 2026
Forecast Valid:
2pm EST Jan 27, 2026-6pm EST Feb 2, 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