A flash flood watch is in effect from 2 p.m. today through Saturday morning.

Showers and some thunderstorms, locally heavy, will move across eastern Pennsylvania this afternoon. A second cluster of showers and some thunderstorms moves across the region late tonight into early Saturday

morning. Areas of 1 to 2 inches of rain can be expected with local amounts up to 3 inches possible.

The latest forecast:

Today: Showers likely, then showers and possibly a thunderstorm after 3 p.m. Some of the storms could produce gusty winds and heavy rain. High near 73. South wind 9 to 14 mph. Chance of precipitation is 80 percent. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Low around 62. South wind 10 to 13 mph. Chance of precipitation is 100 percent. New rainfall amounts between 1 and 2 inches possible.

Saturday: Showers likely before 2 p.m., then a slight chance of showers after 5 p.m. Mostly cloudy, with a high near 68. South wind 11 to 14 mph. Chance of precipitation is 60 percent. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night: A chance of showers, mainly after 8 p.m. Mostly cloudy, with a low around 48. Southeast wind 6 to 10 mph. Chance of precipitation is 40 percent. New precipitation amounts of less than a tenth of an inch possible.

Sunday: A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50 percent. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30 percent.

Monday: Partly sunny, with a high near 70.

Monday Night: Partly cloudy, with a low around 50.

Tuesday: A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40 percent.

Tuesday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40 percent.

Wednesday: A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40 percent.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30 percent.