Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Mostly Cloudy

88°F

31°C

Humidity	70%
Wind Speed	W 7 mph
Barometer	30.04 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	1 Sep 11:35 am EDT

More Information:

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

Extended Forecast for

Mechanicsville MD

Today
High: 91 °F
Slight Chance
T-storms
Tonight
Low: 74 °F
Slight Chance
T-storms
Wednesday
High: 88 °F
Slight Chance
T-storms
Wednesday Night
Low: 72 °F
Chance
Showers
Thursday
High: 91 °F
Slight Chance
Showers then
Scattered
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 90 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 69 °F
Chance
T-storms
Saturday
High: 84 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 101. West wind around 8 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Partly cloudy, with a low around 74. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Wednesday

A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

Thursday

A slight chance of showers between 8am and 2pm, then scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%.

Thursday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Saturday

Mostly sunny, with a high near 84.

Saturday Night

Partly cloudy, with a low around 64.

Sunday

A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.