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

13°F

-11°C

Humidity 67%
Wind Speed W 16 G 35 mph
Barometer 30.07 in (1021.4 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 20 Jan 12:54 am EST
Extended Forecast for

2 Miles WSW Thurmont MD

  • Overnight

    Overnight: Clear, with a low around 10. Wind chill values as low as -1. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -3. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Light west wind.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. South wind 5 to 13 mph, with gusts as high as 26 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind 8 to 11 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °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 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 10. Wind chill values as low as -1. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20. Wind chill values as low as -3. West wind 8 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 12. Light west wind.
Wednesday
Mostly sunny, with a high near 35. South wind 5 to 13 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 8 to 11 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 6.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 14. Chance of precipitation is 40%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 17. Chance of precipitation is 60%.
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 20.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Thurmont MD
 39.62°N 77.45°W (Elev. 1322 ft)
12:53 am EST Jan 20, 2026
1am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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