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

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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

31°F

-1°C

Humidity 23%
Wind Speed W 12 G 17 mph
Barometer 30.38 in
Dewpoint -3°F (-19°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 20 Jan 1:15 pm EST
Extended Forecast for

Lusby MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. West wind around 10 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Light and variable wind.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. South wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. Southwest wind 6 to 8 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.

    High: 22 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 32. West wind around 10 mph.
Tonight
Mostly clear, with a low around 20. Light and variable wind.
Wednesday
Sunny, with a high near 42. South wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 33. South wind around 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 50. Southwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 40.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Saturday Night
Snow. Low around 15. Chance of precipitation is 80%.
Sunday
Snow. High near 26. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lusby MD
 38.43°N 76.47°W (Elev. 52 ft)
Last Update:
12:53 pm EST Jan 20, 2026
Forecast Valid:
1pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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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