Some thunderstorms later this afternoon and this evening could be severe with locally damaging winds and large hail. The greatest risk area is across eastern Pennsylvania.

Today: Showers and thunderstorms likely, mainly after 3 p.m. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a high near 76. East wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers and thunderstorms likely, mainly before 10 p.m. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 62. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A slight chance of showers before 8 a.m., then a chance of showers and thunderstorms after 2 p.m. Partly sunny, with a high near 81. West wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers likely and possibly a thunderstorm before 2 a.m., then a chance of showers and thunderstorms, mainly between 2 a.m. and 5 a.m. Mostly cloudy, with a low around 61. Light southwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2 p.m. Mostly cloudy, with a high near 79. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Showers likely and possibly a thunderstorm before 2 a.m., then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday: A chance of showers before 8am. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

Friday Night: Mostly clear, with a low around 51.

Saturday: Sunny, with a high near 76.

Saturday Night: Partly cloudy, with a low around 57.

Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 50%.

Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

Monday: Mostly sunny, with a high near 72.