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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Mostly Cloudy

78°F

26°C

Humidity 89%
Wind Speed Vrbl 5 mph
Barometer 30.12 in
Dewpoint 74°F (23°C)
Visibility NA
Heat Index80°F (27°C)
Last update 12 Jul 9:55 am EDT
Extended Forecast for

5 Miles S Leonardtown MD

  • Today

    Today: A chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 80. East wind 8 to 11 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. East wind 7 to 13 mph.

    Low: 73 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. East wind 9 to 11 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 71. East wind 3 to 8 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 80. East wind 8 to 11 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, with a low around 73. East wind 7 to 13 mph.
Monday
Partly sunny, with a high near 77. East wind 9 to 11 mph.
Monday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 71. East wind 3 to 8 mph.
Tuesday
Sunny, with a high near 81. Light and variable wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Leonardtown MD
 38.22°N 76.65°W (Elev. 0 ft)
Last Update:
7:53 am EDT Jul 12, 2026
Forecast Valid:
10am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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