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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (KNUI)

Lat: 38.15°NLon: 76.42°WElev: 20ft.

Mostly Cloudy

77°F

25°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Aug 3:53 pm EDT
Extended Forecast for

Saint Marys City MD

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 73. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. South wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 73. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. South wind 6 to 11 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 7 mph. Chance of precipitation is 50%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys City MD
 38.17°N 76.4°W (Elev. 43 ft)
Last Update:
2:22 pm EDT Aug 25, 2026
Forecast Valid:
4pm EDT Aug 25, 2026-6pm EDT Sep 1, 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