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.

Overcast

20°F

-7°C

Humidity 68%
Wind Speed Vrbl 5 G 18 mph
Barometer 29.83 in (1013.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 18 Jan 9:54 pm EST
Extended Forecast for

3 Miles WNW Thurmont MD

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West wind around 9 mph.

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29. Southwest wind 9 to 18 mph, with gusts as high as 36 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph.

    Low: 8 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 18. Wind chill values as low as -8. West wind 13 to 16 mph, with gusts as high as 30 mph.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9. West wind around 7 mph becoming south after midnight.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. West wind around 9 mph.
M.L.King Day
Mostly sunny, with a high near 29. Southwest wind 9 to 18 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph.
Tuesday
Sunny, with a high near 18. Wind chill values as low as -8. West wind 13 to 16 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 9. West wind around 7 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 17. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Thurmont MD
 39.65°N 77.47°W (Elev. 1795 ft)
9:53 pm EST Jan 18, 2026
10pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database