Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Partly Cloudy

83°F

28°C

Humidity 77%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index90°F (32°C)
Last update 10 Sep 6:15 pm EDT
Extended Forecast for

2 Miles SSW Leonardtown MD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 70. Light and variable wind.  Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, mainly before 9am.  Partly sunny, with a high near 81. North wind 3 to 7 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 3am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Southeast wind 5 to 9 mph.  Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 70. Southeast wind 3 to 7 mph.  Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 40%.
Friday
A chance of showers, mainly before 9am. Partly sunny, with a high near 81. North wind 3 to 7 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers after 3am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southeast wind 5 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Southeast wind 3 to 7 mph. Chance of precipitation is 70%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 67. Chance of precipitation is 20%.
Thursday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Leonardtown MD
 38.27°N 76.65°W (Elev. 3 ft)
4:53 pm EDT Sep 10, 2026
6pm EDT Sep 10, 2026-6pm EDT Sep 17, 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