Flash Flood Watch Declared For JP Through 8 p.m. Wednesday

Puddles form outside Jamaica Plain News World Headquarters in Roslindale on Wednesday, Aug. 13, 2014.

Chris Helms

Puddles form outside Jamaica Plain News World Headquarters in Roslindale on Wednesday, Aug. 13, 2014.

The National Weather Service has issued a flash flood watch as drenching rains, possibly punctuated by torrential rainfall from “embedded thunderstorms.”

The watch covers Boston’s Suffolk County and a wide swath of New England.

Federal forecasters say the rain will taper this evening from west to east. The flash flood watch expires at 8 p.m.