Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Current conditions at
Patuxent River, Naval Air Station (KNHK)
Lat: 38.28°NLon: 76.41°WElev: 39ft.
A Few Clouds
86°F
30°C
| Humidity | 53% |
| Wind Speed | SW 6 mph |
| Barometer | 30.16 in (1021.2 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 21 Jun 9:52 am EDT |
Extended Forecast for
Great Mills MD
Today
High: 90 °F
Sunny
Tonight
Low: 73 °F
Mostly Clear
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 96 °F
Sunny
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 94 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 90. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 73. South wind around 6 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 100. Southwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph.
Monday
Sunny, with a high near 96. West wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Great Mills MD
38.25°N 76.48°W (Elev. 98 ft)
38.25°N 76.48°W (Elev. 98 ft)
7:30 am EDT Jun 21, 2025
10am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
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