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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

24°F

-4°C

Humidity 43%
Wind Speed W 8 mph
Barometer 30.17 in
Dewpoint 5°F (-15°C)
Visibility 9.00 mi
Wind Chill15°F (-9°C)
Last update 28 Jan 12:35 pm EST
Extended Forecast for

3 Miles NE Charlotte Hall MD

Cold Weather Advisory January 28, 07:00pm until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow, mainly after 5pm. Partly sunny, with a high near 23. West wind around 7 mph. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 8. Wind chill values as low as -3. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 30%.

    Low: 8 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 24. Wind chill values as low as -4. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 24 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Wind chill values as low as -2. Northwest wind around 6 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 23. Northwest wind 6 to 8 mph.

    High: 23 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 20%.

    Low: 10 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.

    High: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.

    Low: 13 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 26. Blustery. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    and Blustery

Detailed Forecast

This Afternoon
A chance of snow, mainly after 5pm. Partly sunny, with a high near 23. West wind around 7 mph. Chance of precipitation is 30%.
Tonight
A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 8. Wind chill values as low as -3. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 24. Wind chill values as low as -4. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 7. Wind chill values as low as -2. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 23. Northwest wind 6 to 8 mph.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 20%.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 26. Blustery. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Charlotte Hall MD
 38.5°N 76.75°W (Elev. 148 ft)
Last Update:
9:54 am EST Jan 28, 2026
Forecast Valid:
12pm EST Jan 28, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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