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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

74°F

23°C

Humidity 55%
Wind Speed SW 9 mph
Barometer 29.96 in
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 16 Apr 8:55 am EDT
Extended Forecast for

Leonardtown MD

  • Today

    Today: Mostly sunny, with a high near 92. South wind 8 to 11 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers after 2am. Partly cloudy, with a low around 67. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Clear
    then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before 8am. Partly sunny, with a high near 83. West wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light east wind becoming southeast 6 to 11 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. South wind 8 to 11 mph.
Tonight
Scattered showers after 2am. Partly cloudy, with a low around 67. Southwest wind around 8 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly before 8am. Partly sunny, with a high near 83. West wind 6 to 10 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 60. Light and variable wind.
Saturday
Sunny, with a high near 87. Light east wind becoming southeast 6 to 11 mph in the morning.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Sunny, with a high near 59.
Monday Night
Clear, with a low around 38.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leonardtown MD
 38.29°N 76.64°W (Elev. 16 ft)
Last Update:
7:53 am EDT Apr 16, 2026
Forecast Valid:
9am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation