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.

Fair

18°F

-8°C

Humidity 71%
Wind Speed SW 9 mph
Barometer 29.81 in (1012.4 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 19 Jan 4:54 am EST
Extended Forecast for

5 Miles W Thurmont MD

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 30. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 30 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 13 to 20 mph, with gusts as high as 36 mph.

    Low: 8 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 19. Wind chill values as low as -8. West wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 19 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. Wind chill values as low as zero. West wind 5 to 7 mph becoming light and variable.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. South wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Mostly sunny, with a high near 30. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 13 to 20 mph, with gusts as high as 36 mph.
Tuesday
Sunny, with a high near 19. Wind chill values as low as -8. West wind 11 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 10. Wind chill values as low as zero. West wind 5 to 7 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 31. South wind 7 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 13.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 15. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Thurmont MD
 39.63°N 77.5°W (Elev. 1604 ft)
4:33 am EST Jan 19, 2026
4am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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