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

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

75°F

24°C

Humidity 49%
Wind Speed Vrbl 6 mph
Barometer 30.09 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Apr 10:15 am EDT
Extended Forecast for

Leonardtown MD

  • Today

    Today: Mostly sunny, with a high near 87. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind 6 to 8 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Southwest wind around 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 69. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 90. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind around 8 mph.
Thursday
Partly sunny, with a high near 88. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Monday
Sunny, with a high near 66.
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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:
8:08 am EDT Apr 14, 2026
Forecast Valid:
10am EDT Apr 14, 2026-6pm EDT Apr 20, 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