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

Hazardous Weather Conditions

Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

34°F

1°C

Humidity 90%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 4 Dec 8:55 am EST
Extended Forecast for

3 Miles S Thornburg VA

Winter Weather Advisory December 5, 01:00am until December 6, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow after 4am. Increasing clouds, with a low around 24. North wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Partly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow likely before 4pm, then snow likely, possibly mixed with freezing rain. Cloudy, with a high near 32. Light northeast wind. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: A slight chance of freezing rain before 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Freezing Rain

  • Saturday

    Saturday: Partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.
Tonight
A chance of snow after 4am. Increasing clouds, with a low around 24. North wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 4pm, then snow likely, possibly mixed with freezing rain. Cloudy, with a high near 32. Light northeast wind. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Friday Night
A slight chance of freezing rain before 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 43. Calm wind.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.53°W (Elev. 249 ft)
Last Update:
3:24 am EST Dec 4, 2025
Forecast Valid:
9am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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