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.

Fair

14°F

-10°C

Humidity 79%
Wind Speed W 12 G 23 mph
Barometer 29.75 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 18 Jan 11:55 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
  • Overnight

    Overnight: Isolated snow showers after 4am.  Mostly cloudy, with a low around 14. West wind 9 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    Low: 14 °F

    Isolated Snow
    Showers

  • M.L.King Day

    M.L.King Day: Scattered snow showers before 4pm.  Mostly cloudy, with a high near 21. Wind chill values as low as -1. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%.

    High: 21 °F

    Scattered
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -14. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 3 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 13. Wind chill values as low as -16. West wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 13 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of snow after 1pm.  Partly sunny, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow before 1pm.  Mostly cloudy, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated snow showers after 4am. Mostly cloudy, with a low around 14. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
M.L.King Day
Scattered snow showers before 4pm. Mostly cloudy, with a high near 21. Wind chill values as low as -1. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -14. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 13. Wind chill values as low as -16. West wind 15 to 17 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 7. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of snow after 1pm. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 28.
Friday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 16. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
McHenry MD
 39.56°N 79.36°W (Elev. 2500 ft)
9:53 pm EST Jan 18, 2026
12am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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