Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

72°F

22°C

Humidity 55%
Wind Speed SW 10 G 17 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 31 Mar 10:55 pm EDT
Extended Forecast for

Issue MD

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 83. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 60. Southwest wind around 6 mph becoming southeast after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm.  Mostly sunny, with a high near 79. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Mostly clear, with a low around 58. South wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Southwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Southwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 79. South wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly clear, with a low around 58. South wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Issue MD
 38.31°N 76.87°W (Elev. 3 ft)
10:53 pm EDT Mar 31, 2026
11pm EDT Mar 31, 2026-6pm EDT Apr 7, 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