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Heat, humidity to return to Mass. on Friday

Increasing humidity will characterize the second half of the week, leading up to scattered thunderstorms that will roll through the state on Saturday, the National Weather Service said.

Today is expected to be “gorgeous. It’s a beautiful day in the neighborhood,” said Alan Dunham, a weather service meteorologist. Clear skies are likely, with high temperatures in the mid-80s. Humidity will increase as the day goes on, but “overall, [it’s] still not a bad day,” Dunham said.

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On Friday, humidity will begin to get uncomfortable again, Dunham said, with sun and temperatures that will approach 90 degrees.

Saturday will likely start out overcast, but thunderstorms will move across the region through the day. These storms, which could bring very heavy downpours and the potential for flash flooding in poorly-drained areas will start out in Western Massachusetts in the afternoon and will work their way east of Worcester by Saturday evening, Dunham said.

The biggest threat from these storms is the rain and flooding, but severe thunderstorms with damaging winds can’t be ruled out, Dunham said.

By Sunday, the rain will likely have moved off the coast, leaving behind mostly sunny skies and much cooler temperatures. High temperatures will probably stay in the low 70s, the weather service said, a cool pattern that should last through Wednesday of next week.

Kiera Blessing can be reached at kiera.blessing@globe.com.
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