The National Weather Service has issued a hazardous weather outlook for Southeastern Massachusetts and Rhode Island, with possible heavy rains, thunderstorms and flash flooding in the area.

A flash flood watch remains in effect through Friday afternoon for the region, which includes southern Bristol, Plymouth and Barnstable counties. The greatest risk for flash flooding will occur near the SouhtCoast, where localized rainfall rates of 1 to 2 inches per hour will be possible, the weather service reported.

New Bedford has canceled its outdoor summer concert on Pier 3 due to the stormy weather forecast.

The weather service was predicting showers and possible thunderstorms Friday afternoon, with some storms producing heavy rainfall. High temperatures will be near 72 degrees, with a 100 percent chance of rain. New rainfall amounts between 1 and 2 inches are possible the weather service reported.

The chance of showers and thunderstorms was expected to continue until 8 p.m., followed by patchy fog.

If you're planning to attend this weekend's New Bedford Folk Festival, Saturday's forecast is more promising. Partly sunny skies and a slight chance of showers or thunderstorms are in the forecast before 1 p.m., then a slight chance of showers and thunderstorms after 4 p.m. The high temperature will be near 82 with strong southwest winds.

See the AccuWeather forecast for SouthCoast here.