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

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Partly Cloudy

21°F

-6°C

Humidity 68%
Wind Speed W 13 G 29 mph
Barometer 29.98 in (1018.4 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 19 Jan 8:54 pm EST
Extended Forecast for

3 Miles WNW Thurmont MD

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -8. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.

    Low: 8 °F

    Mostly Clear
    and Breezy
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 19. Wind chill values as low as -10. West wind 13 to 16 mph, with gusts as high as 32 mph.

    High: 19 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11. West wind around 7 mph becoming south after midnight.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. South wind 8 to 15 mph, with gusts as high as 32 mph.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Southwest wind 11 to 16 mph, with gusts as high as 32 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 8. Wind chill values as low as -8. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.
Tuesday
Sunny, with a high near 19. Wind chill values as low as -10. West wind 13 to 16 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 11. West wind around 7 mph becoming south after midnight.
Wednesday
Increasing clouds, with a high near 32. South wind 8 to 15 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Southwest wind 11 to 16 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
A chance of snow. Mostly cloudy, with a high near 11. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 13. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Thurmont MD
 39.65°N 77.47°W (Elev. 1795 ft)
6:53 pm EST Jan 19, 2026
9pm 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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