



Areas of Excessive Rainfall and Severe Thunderstorms Friday
Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >
Hazardous Weather Conditions

Current conditions at
Patuxent River, Naval Air Station (KNHK)
Lat: 38.28° N Lon: 76.41° W Elev: 39 ft.
Fair
79°F
26°C
Humidity | 74% |
Wind Speed | SW 7 mph |
Barometer | 30.03 in (1016.9 mb) |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 82°F (28°C) |
Last update | 13 Jun 3:52 am EDT |
Detailed forecast for
St. Marys County
Overnight
Mostly cloudy. Lows in the lower 70s. South winds around 5 mph.
Friday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
Friday Night
Showers likely. Thunderstorms likely, mainly in the evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70 percent.
Saturday
Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph, becoming north in the afternoon. Chance of rain 50 percent.
Saturday Night
Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of rain 70 percent.
Sunday
Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
Sunday Night
Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 80 percent.
Monday
Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
Monday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Tuesday
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
Tuesday Night
Mostly cloudy with a chance of showers. Lows around 70. Chance of rain 40 percent.
Wednesday
Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Wednesday Night
Partly cloudy. Lows in the lower 70s.
Juneteenth
Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 30 percent.
Basemap Options
Click map to change the forecast location
Loading map...