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.

Overcast

14°F

-10°C

Humidity 62%
Wind Speed NW 10 G 21 mph
Barometer 29.95 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 19 Jan 7:35 pm EST
Extended Forecast for

McHenry MD

Cold Weather Advisory January 19, 08:00pm until January 20, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values as low as -15. West wind 13 to 17 mph, with gusts as high as 32 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 13. Wind chill values as low as -15. West wind 11 to 16 mph, with gusts as high as 32 mph.

    High: 13 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. Wind chill values as low as -3. West wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow after 1pm.  Partly sunny, with a high near 38. Wind chill values as low as -1. South wind 7 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 28. Southwest wind 13 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 0. Chance of precipitation is 30%.

    Low: 0 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 1. Wind chill values as low as -15. West wind 13 to 17 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 13. Wind chill values as low as -15. West wind 11 to 16 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 7. Wind chill values as low as -3. West wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
A chance of snow after 1pm. Partly sunny, with a high near 38. Wind chill values as low as -1. South wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 28. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 22.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy and cold, with a high near 10. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 12. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 17.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
McHenry MD
 39.56°N 79.36°W (Elev. 2500 ft)
6:53 pm EST Jan 19, 2026
7pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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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