The flood warning issued for Suffolk County and parts of Middlesex and Norfolk counties this morning will remain in effect until 2 p.m., the National Weather Service in Taunton said.
The warning was originally issued until noon, but extended due to additional rainfall, according to a tweet by the weather service.
The cause of the heavy rain and thunderstorms in the region is a stagnant tropical air mass blanketing Southern New England, according to National Weather Service meteorologist Charlie Foley.
The storm worked its way from the southeast of the Massachusetts Turnpike to Boston, Foley said. Reports have come in of local flooding and road closures in the region, he said.
All lanes on Interstate 95 in the area of Route 9 in Framingham have reopened after being closed this morning, but delays are expected due to some minor flooding in construction zones, according to State Police.
There have been no reports of serious storm damage or weather-related car accidents, according to State Police spokesman Reid Bagley.
Trained weather spotters reported several cars throughout the region stuck in flood waters, the weather service said on its website.
Flooding in parts of Boston is possible, as well, according to meteorologists.
Boston Police spokeswoman Neva Coakley said that as of 10:30 a.m. there have been no reports of flooding or damage.
The weather service recommends that residents in urban areas avoid flooded roads and heed road closures. Those living near streams to take higher ground.
Scattered showers and thunderstorms will remain in the region into Tuesday, making the remainder of Labor Day weekend wet and muggy, Foley said.
Haven Orecchio-Egresitz can be reached at Haven.egresitz@globe.com.
