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

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

17°F

-8°C

Humidity 70%
Wind Speed Vrbl 7 G 20 mph
Barometer 29.81 in (1012.3 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 18 Jan 11:54 pm EST
Extended Forecast for

4 Miles SSE Thurmont MD

  • Overnight

    Overnight: Partly cloudy, with a low around 19. Light and variable wind.

    Low: 19 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 37. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. West wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 25. West wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 25 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. Light and variable wind.
M.L.King Day
Mostly sunny, with a high near 37. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 13. West wind 6 to 11 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 25. West wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 11. Calm wind.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 19.
Saturday
A chance of snow. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Thurmont MD
 39.57°N 77.4°W (Elev. 354 ft)
9:53 pm EST Jan 18, 2026
12am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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