Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Tuesday

In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding Tuesday. Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota Tuesday afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. Extreme heat returns to the southwest U.S. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

A Few Clouds

71°F

22°C

Humidity	100%
Wind Speed	Calm
Barometer	29.96 in
Dewpoint	71°F (22°C)
Visibility	NA
Last update	7 Jul 2:35 am EDT

More Information:

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

Extended Forecast for

Leonardtown MD

Overnight
Low: 73 °F
Scattered
Showers
Tuesday
High: 86 °F
Scattered
T-storms and
Patchy Fog
Tuesday Night
Low: 70 °F
Showers
Likely and
Patchy Fog
Wednesday
High: 83 °F
Patchy Fog
then Slight
Chance
Showers
Wednesday Night
Low: 71 °F
Mostly Cloudy
then Chance
Showers
Thursday
High: 88 °F
Chance
Showers then
Showers
Thursday Night
Low: 73 °F
Showers then
Chance
T-storms
Friday
High: 93 °F
Sunny then
Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

Overnight

Scattered showers and thunderstorms before 5am, then isolated showers. Mostly cloudy, with a low around 73. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.

Tuesday

Isolated showers, then scattered showers and thunderstorms after 11am. Patchy fog between 7am and 8am. Otherwise, cloudy through mid morning, then becoming mostly sunny, with a high near 86. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.

Tuesday Night

Showers and thunderstorms likely, mainly before midnight. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A slight chance of showers between noon and 2pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. East wind around 6 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 71. Light southeast wind. Chance of precipitation is 50%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 90%.

Thursday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 73. Chance of precipitation is 80%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

Saturday

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.