National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

14°F

-10°C

Humidity 67%
Wind Speed SW 7 mph
Barometer 30.35 in (1031.7 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 21 Jan 3:54 am EST
Extended Forecast for

2 Miles WSW Thurmont MD

  • Today

    Today: Increasing clouds, with a high near 34. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 31 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. West wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

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

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.

    Low: 10 °F

    Snow Likely

  • Sunday

    Sunday: Snow. High near 15. Chance of precipitation is 80%.

    High: 15 °F

    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 34. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Tonight
Mostly cloudy, with a low around 30. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind around 6 mph.
Friday
Partly sunny, with a high near 32. West wind 6 to 10 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Mostly cloudy, with a high near 15.
Saturday Night
Snow likely. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.
Sunday
Snow. High near 15. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Thurmont MD
 39.62°N 77.45°W (Elev. 1322 ft)
Last Update:
3:53 am EST Jan 21, 2026
Forecast Valid:
4am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation