Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

56°F

13°C

Humidity 98%
Wind Speed SE 12 G 18 mph
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 15 Mar 11:15 pm EDT
Extended Forecast for

3 Miles SE Compton MD

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then showers likely and possibly a thunderstorm after 5am.  Low around 54. South wind around 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm. Some of the storms could be severe.  High near 69. South wind 13 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe.  Low around 32. Southwest wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. West wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Northwest wind 5 to 7 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 54. South wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 3pm. Some of the storms could be severe. High near 69. South wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe. Low around 32. Southwest wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a high near 44. West wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 26. Northwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Compton MD
 38.28°N 76.59°W (Elev. 98 ft)
10:53 pm EDT Mar 15, 2026
11pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database