Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Partly Cloudy

82°F

28°C

Humidity	70%
Wind Speed	W 10 mph
Barometer	30.00 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Sep 1:46 pm EDT

More Information:

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

Extended Forecast for

Gunpowder MD

This Afternoon
High: 90 °F
Isolated
T-storms
Tonight
Low: 73 °F
Showers
Likely and
Patchy Fog
Friday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 82 °F
Mostly Cloudy
then Slight
Chance
Showers
Saturday Night
Low: 62 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Labor Day
High: 80 °F
Sunny

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 102. West wind around 6 mph. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms likely before 2am, then scattered showers. Patchy fog between midnight and 1am. Otherwise, increasing clouds, with a low around 73. Light southwest wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.

Saturday

A slight chance of showers after 2pm. Partly sunny, with a high near 82. North wind around 6 mph. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 62.

Sunday

Sunny, with a high near 80.

Sunday Night

Mostly clear, with a low around 60.

Labor Day

Sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 63.