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 >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

39°F

4°C

Humidity 38%
Wind Speed W 8 mph
Barometer 29.96 in (1016.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Jan 2:56 pm EST
Extended Forecast for

2 Miles SSW Damascus MD

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 25. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Light and variable wind.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 14. West wind 10 to 15 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 25. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 13. Light and variable wind.
Wednesday
Mostly sunny, with a high near 37. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 18. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 7. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Damascus MD
 39.24°N 77.22°W (Elev. 653 ft)
12:53 pm EST Jan 19, 2026
3pm 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