Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

74°F

23°C

Humidity	82%
Wind Speed	SW 7 mph
Barometer	30.14 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	19 May 5:15 am EDT

More Information:

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

Extended Forecast for

Barstow MD

Today
High: 98 °F
Hot
Tonight
Low: 74 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 61 °F
Showers
Thursday
High: 69 °F
Showers
Likely
Thursday Night
Low: 54 °F
Chance
Showers then
Showers
Likely
Friday
High: 65 °F
Showers
Friday Night
Low: 55 °F
Showers
Likely
Saturday
High: 73 °F
Showers

Detailed Forecast

Today

Sunny and hot, with a high near 98. Southwest wind 7 to 9 mph.

Tonight

Mostly clear, with a low around 74. South wind around 8 mph.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds and hot, with a high near 97. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.

Wednesday Night

Showers and thunderstorms. Low around 61. North wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 69. Northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

Friday

Showers. High near 65. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

Saturday

Showers. High near 73. Chance of precipitation is 80%.

Saturday Night

Showers, mainly before 2am. Low around 62. Chance of precipitation is 80%.

Sunday

Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.