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

Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

56°F

13°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.79 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Nov 8:15 pm EST
Extended Forecast for

Great Mills MD

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southeast wind 3 to 6 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A chance of rain before 1pm, then rain likely after 4pm. Partly sunny, with a high near 65. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 9pm. Mostly cloudy, with a low around 40. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 53. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southeast wind 3 to 6 mph.
Thursday
A chance of rain before 1pm, then rain likely after 4pm. Partly sunny, with a high near 65. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain, mainly after 9pm. Mostly cloudy, with a low around 40. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 53. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.27°N 76.5°W (Elev. 98 ft)
Last Update:
6:53 pm EST Nov 11, 2026
Forecast Valid:
8pm EST Nov 11, 2026-6pm EST Nov 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation