Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

91°F

33°C

Humidity	46%
Wind Speed	W 12 mph
Barometer	29.80 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	12 Jun 11:46 am EDT

More Information:

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

Extended Forecast for

Perry Hall MD

Heat Advisory until June 12, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 12, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 97 °F
Severe
Thunderstorms
Tonight
Low: 66 °F
Severe
Thunderstorms
then Partly
Cloudy
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 89 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 65 °F
Showers
Likely then
Slight Chance
T-storms
Monday
High: 80 °F
Mostly Sunny
Monday Night
Low: 61 °F
Partly Cloudy
then Slight
Chance
Showers

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. West wind around 7 mph. Chance of precipitation is 30%.

Saturday

Sunny, with a high near 88. North wind 3 to 5 mph.

Saturday Night

Mostly clear, with a low around 67. Calm wind.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. South wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 80.

Monday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.

Tuesday

A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

Tuesday Night

A slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.