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.

Fair

60°F

16°C

Humidity 100%
Wind Speed SE 9 mph
Barometer 29.78 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 16 Mar 4:15 am EDT
Extended Forecast for

2 Miles ENE Chaptico MD

  • Overnight

    Overnight: A chance of showers, then showers likely and possibly a thunderstorm after 5am.  Cloudy, with a low around 54. South wind around 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe.  High near 71. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely then
    Severe
    Thunderstorms
    and Breezy

  • 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 31. Southwest wind 10 to 15 mph becoming west in the evening. 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: 31 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. West wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Northwest wind 5 to 8 mph.

    Low: 24 °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 29.

    Low: 29 °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 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 54. South wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth 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 71. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 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 31. Southwest wind 10 to 15 mph becoming west in the evening. 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 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Chaptico MD
 38.37°N 76.74°W (Elev. 98 ft)
1:53 am EDT Mar 16, 2026
4am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
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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