Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. 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. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Mostly Cloudy

56°F

13°C

Humidity 70%
Wind Speed SE 15 G 20 mph
Barometer 30.14 in
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 15 Mar 5:35 pm EDT
Extended Forecast for

2 Miles SSW Issue 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.  Temperature rising to around 61 by 5am. Southeast wind 16 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe.  High near 66. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Breezy.
    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 33. Breezy, with a southwest wind 17 to 20 mph becoming west after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Severe
    Thunderstorms
    and Breezy
    then Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Northwest wind 6 to 11 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °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. Temperature rising to around 61 by 5am. Southeast wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe. High near 66. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 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 33. Breezy, with a southwest wind 17 to 20 mph becoming west after midnight. Winds could gust as high as 38 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 40. West wind around 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 28. Northwest wind 6 to 11 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Issue MD
 38.27°N 76.87°W (Elev. 0 ft)
4:53 pm EDT Mar 15, 2026
6pm 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