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

Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

4°F

-16°C

Humidity 66%
Wind Speed NW 16 G 28 mph
Barometer 29.81 in (1013.6 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 1 Feb 3:54 am EST
Extended Forecast for

Thurmont MD

Cold Weather Advisory February 1, 04:31am until February 1, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 04:31am until February 1, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • Overnight

    Low: 9 °F

    Chance
    Flurries

  • Sunday

    Sunday: Mostly sunny, with a high near 22. Wind chill values as low as -9. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 22 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. Wind chill values as low as -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. West wind 5 to 7 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of flurries. Partly cloudy, with a low around 9. Wind chill values as low as -8. Northwest wind around 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 22. Wind chill values as low as -9. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 12. Wind chill values as low as -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 31. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 16. West wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 13.
Friday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 21.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thurmont MD
 39.62°N 77.42°W (Elev. 600 ft)
Last Update:
3:53 am EST Feb 1, 2026
Forecast Valid:
4am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation