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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

12°F

-11°C

Humidity 66%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 28 Jan 11:35 pm EST
Extended Forecast for

White Marsh MD

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Cold Weather Advisory January 28, 11:59pm until January 29, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 28, 11:59pm until January 29, 11:00am

    NOW until 11:00am Thu

    Cold Weather Advisory

  • Tonight

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 21. Wind chill values as low as -5. West wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 21 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 4. Wind chill values as low as -4. Northwest wind around 6 mph.

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind 5 to 7 mph.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5. Calm wind becoming north around 6 mph after midnight.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

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

    High: 19 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 6. Wind chill values as low as -4. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 21. Wind chill values as low as -5. West wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 4. Wind chill values as low as -4. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 5. Calm wind becoming north around 6 mph after midnight.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 19. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Marsh MD
 39.39°N 76.48°W (Elev. 157 ft)
Last Update:
9:53 pm EST Jan 28, 2026
Forecast Valid:
11pm EST Jan 28, 2026-6pm EST Feb 4, 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