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

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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

41°F

5°C

Humidity 23%
Wind Speed SE 6 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 21 Jan 5:55 pm EST
Extended Forecast for

La Plata MD

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 52. Southwest wind 8 to 10 mph becoming northwest in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. North wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after 1pm. Cloudy, with a high near 20. Chance of precipitation is 40%.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 15. Chance of precipitation is 90%.

    Low: 15 °F

    Snow

  • Sunday

    Sunday: Snow. High near 24. Chance of precipitation is 100%.

    High: 24 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. South wind around 10 mph.
Thursday
Sunny, with a high near 52. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 43. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 12. North wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow, mainly after 1pm. Cloudy, with a high near 20. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 15. Chance of precipitation is 90%.
Sunday
Snow. High near 24. Chance of precipitation is 100%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Plata MD
 38.53°N 76.97°W (Elev. 148 ft)
Last Update:
3:53 pm EST Jan 21, 2026
Forecast Valid:
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation