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.

Light Snow Fog/Mist

-2°F

-19°C

Humidity 84%
Wind Speed W 9 G 20 mph
Barometer 30.13 in
Dewpoint -6°F (-21°C)
Visibility 2.50 mi
Wind Chill-18°F (-28°C)
Last update 20 Jan 7:35 am EST
Extended Forecast for

McHenry MD

Extreme Cold Warning January 20, 07:53am until January 20, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 20, 07:53am until January 20, 01:00pm

    NOW until 1:00pm Tue

    Extreme Cold Warning

  • Today

    High: 12 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -4. West wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow after 1pm.  Partly sunny, with a high near 40. South wind 9 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 28. Southwest wind around 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 33. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 33 °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 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Today
Scattered flurries before 9am. Sunny, with a high near 12. Wind chill values as low as -15. West wind 11 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -4. West wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
A chance of snow after 1pm. Partly sunny, with a high near 40. South wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 33. West wind 14 to 16 mph, with gusts as high as 30 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 0.
Saturday
A chance of snow. Mostly cloudy, with a high near 11. Chance of precipitation is 40%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 5. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 16. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 3. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 17.
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ABOUT THIS FORECAST

 
Point Forecast:
McHenry MD
 39.56°N 79.36°W (Elev. 2500 ft)
6:53 am EST Jan 20, 2026
7am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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