Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Partly Cloudy

92°F

33°C

Humidity 56%
Wind Speed W 13 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 18 Jun 11:52 am EDT
Extended Forecast for

Saint Marys City MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 7pm and 8pm.  Mostly clear, with a low around 76. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Clear

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am.  Partly cloudy, with a low around 69. West wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 84. Northwest wind around 6 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
A chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly clear, with a low around 76. Southwest wind around 6 mph. Chance of precipitation is 30%.
Juneteenth
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Partly cloudy, with a low around 69. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Sunny, with a high near 84. Northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys City MD
 38.17°N 76.4°W (Elev. 43 ft)
10:30 am EDT Jun 18, 2025
12pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database