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

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair and Breezy

31°F

-1°C

Humidity 38%
Wind Speed W 23 G 29 mph
Barometer 30.01 in (1018.1 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 19 Jan 5:53 pm EST
Extended Forecast for

4 Miles N Williamsport MD

  • Tonight

    Tonight: Mostly clear, with a low around 12. West wind 7 to 15 mph, with gusts as high as 33 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 25. Wind chill values as low as zero. West wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 25 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. Light and variable wind.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly 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 22.

    Low: 22 °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 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 12. West wind 7 to 15 mph, with gusts as high as 33 mph.
Tuesday
Sunny, with a high near 25. Wind chill values as low as zero. West wind 8 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 10. Light and variable wind.
Wednesday
Mostly sunny, with a high near 39. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 20. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 5. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
3:53 pm EST Jan 19, 2026
6pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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