Thunderstorms and Heavy Rain Possible in the Northern and Central Plains and New Mexico; Dangerous Heat Continues

Severe thunderstorms, capable of producing damaging winds and isolated large hail, and heavy rainfall are possible across the northern and central Plains. Monsoonal thunderstorms may produce heavy rainfall and possible flash flooding across New Mexico. Dangerous, long duration heat will continue over much of the central and eastern U.S. Read More >

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Partly Cloudy

88°F

31°C

Humidity 61%
Wind Speed Calm
Barometer 30.03 in (1017.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 29 Jul 10:52 am EDT
Extended Forecast for

St. Marys City MD

  • Today

    Today: Mostly sunny, with a high near 93. Heat index values as high as 101. Light and variable wind.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 90. Southeast wind 5 to 8 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 93. Heat index values as high as 101. Light and variable wind.
Tonight
Mostly clear, with a low around 76. Light south wind.
Wednesday
Sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 77. South wind around 6 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 72. Chance of precipitation is 80%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Marys City MD
 38.18°N 76.43°W (Elev. 3 ft)
10:29 am EDT Jul 29, 2025
11am EDT Jul 29, 2025-6pm EDT Aug 4, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database