Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Partly Cloudy

72°F

22°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.89 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 23 Aug 8:55 am EDT
Extended Forecast for

3 Miles WNW Chaptico MD

  • Today

    Today: Sunny, with a high near 84. West wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light northwest wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. West wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. North wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Northwest wind 3 to 5 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 69. Chance of precipitation is 20%.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 84. West wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 64. Light northwest wind.
Monday
Sunny, with a high near 83. West wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 62. North wind 3 to 5 mph.
Tuesday
Sunny, with a high near 83. Northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Chaptico MD
 38.38°N 76.83°W (Elev. 98 ft)
7:52 am EDT Aug 23, 2026
9am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
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