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

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

22°F

-6°C

Humidity 57%
Wind Speed Calm
Barometer 30.56 in (1035.1 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 21 Jan 12:54 am EST
Extended Forecast for

Londontowne MD

  • Overnight

    Overnight: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Southwest wind 9 to 11 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Southwest wind 8 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.

    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 12.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.

    High: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 15. Chance of precipitation is 80%.

    Low: 15 °F

    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 39. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Southwest wind 9 to 11 mph.
Thursday
Mostly sunny, with a high near 49. Southwest wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 40.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 15. Chance of precipitation is 80%.
Sunday
Snow. High near 22. Chance of precipitation is 90%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Londontowne MD
 38.95°N 76.55°W (Elev. 3 ft)
Last Update:
12:52 am EST Jan 21, 2026
Forecast Valid:
1am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation