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.

Overcast

30°F

-1°C

Humidity 69%
Wind Speed S 15 G 24 mph
Barometer 30.10 in (1022.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 21 Jan 3:54 pm EST
Extended Forecast for

Rocky Ridge MD

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 32. South wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 46. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 39. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 39 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Northwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 20%.

    High: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow. Low around 12. Chance of precipitation is 90%.

    Low: 12 °F

    Snow

  • Sunday

    Sunday: Snow. High near 19. Chance of precipitation is 90%.

    High: 19 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 32. South wind 6 to 8 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 46. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 25. Calm wind.
Friday
Mostly cloudy, with a high near 39. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 9. Northwest wind around 8 mph, with gusts as high as 20 mph.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 20%.
Saturday Night
Snow. Low around 12. Chance of precipitation is 90%.
Sunday
Snow. High near 19. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rocky Ridge MD
 39.61°N 77.3°W (Elev. 351 ft)
Last Update:
3:53 pm EST Jan 21, 2026
Forecast Valid:
4pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation