Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Garrett County Airport (K2G4)

Lat: 39.58°NLon: 79.34°WElev: 2933ft.

Mostly Cloudy

-2°F

-19°C

Humidity 84%
Wind Speed W 12 mph
Barometer 30.10 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 20 Jan 6:15 am EST
Extended Forecast for

4 Miles SE Grantsville MD

Cold Weather Advisory January 20, 06:21am until January 20, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 20, 06:21am until January 20, 01:00pm

    NOW until 1:00pm Tue

    Cold Weather Advisory

  • Today

    High: 12 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -5. West wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow after 1pm.  Partly sunny, with a high near 36. Wind chill values as low as -1. South wind 7 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 29. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 33 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Today
Scattered flurries before 9am. Sunny, with a high near 12. Wind chill values as low as -19. West wind 14 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -5. West wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of snow after 1pm. Partly sunny, with a high near 36. Wind chill values as low as -1. South wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 29. Southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
A chance of snow. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 40%.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 60%.
Sunday
A chance of snow. Mostly cloudy, with a high near 15. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 16.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Grantsville MD
 39.65°N 79.12°W (Elev. 2726 ft)
5:33 am EST Jan 20, 2026
6am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database