Heavy showers, chance of flash flooding across Mass. today

A few rounds of showers and thunderstorms are likely again today, with pockets of heavy rainfall most likely in Central and Eastern Massachusetts. Temperatures will climb into the high 80s today, accompanied by elevated humidity levels, according to the National Weather Service.

A flash flood watch has been issued for most of the state, including Boston, and will remain in effect until 6 p.m. tonight. Torrential showers and thunderstorms could drop up to 2 inches of rain within a half hour, according to the weather service.

The chance of precipitation in Boston today is 60 percent.

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“The brunt of the showers will come before sunset,” said meteorologist Bill Simpson.

Tonight will be mostly dry, although isolated showers and thunderstorms are possible. Friday will see patchy fog in the early morning, and cooler temperatures in the low 70s.

Heavy rain is likely south of the Massachusetts Turnpike on Friday afternoon, although most of the state should stay slightly dryer throughout the day. A half inch of rain is expected to fall in the Boston area on Friday.

The weekend will heat up, with seasonable temperatures in the mid-80s on Saturday and Sunday. The chance of showers and thunderstorms will diminish greatly over the weekend, although some scattered showers and thunderstorms are possible on Saturday and Sunday afternoon. Skies will see a mix of sun and clouds this weekend.

“There is a chance, not a likelihood, of rain this weekend, but regions will remain dryer,” Simpson said.