Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32° N Lon: 76.55° W Elev: 144 ft.

Overcast

78°F

26°C

Humidity	62%
Wind Speed	Calm
Barometer	30.00 in
Dewpoint	64°F (18°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	20 Jul 9:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Calvert County

Today

Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph.

Tonight

Mostly clear in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Tuesday

Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 70 percent.

Tuesday Night

Showers with thunderstorms likely in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 70s. Southwest winds 10 to 15 mph. Chance of rain 90 percent.

Wednesday

Showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 90 percent.

Wednesday Night

Partly cloudy. Lows in the upper 60s.

Thursday

Sunny. Highs in the lower 80s.

Thursday Night

Mostly clear. Lows in the upper 60s.

Friday

Mostly sunny. Highs around 80.

Friday Night

Mostly cloudy. Lows in the upper 60s.