With the heat wave reaching its peak on Thursday, a dose of wet weather could be on its way for the Bay State.
Scattered thunderstorms are expected to develop Thursday night at around 10 p.m. across the northern portions of western, central and eastern Massachusetts, forecasters said. As they move eastward across the state, there is a potential for these storms to drop over 2 inches of rain.
“The storms will also be moving rather slow, so there will be a localized flash flood risk into this evening,” forecasters said. “… Also, these storms will be capable of producing torrential rainfall and a localized flash flood threat.”
Thursday night could also see some heavy winds, with the potential for damaging wind gusts along the northern border, though some forecast models show winds largely being rather low between 5 and 10 mph.
Overnight lows should mostly be in the upper 60s to the lower 70s, forecasters said. They also anticipate ground fog developing in areas with light winds and high dewpoints, particular where there’s any rainfall earlier in the evening.
Starting Friday morning and carrying on into the afternoon, forecasters anticipate a cold front moving west. On the heels of the heat wave, it should bring temperatures down across eastern Massachusetts into the 80s, while the coast should see temperatures in the 70s. Towards the interior, the rest of the state should see temperatures stay in the 80s, while some areas could reach the lower 90s.
With lingering humidity, parts of southwestern Massachusetts could see heat indices leaving areas that feel like it is between 95 and 100 degrees. Because of this, forecasters have issued a heat advisory to be in place for western Hampshire, western Hampden, eastern Hampshire and eastern Hampden counties.
There’s the potential for another round of thunderstorms Friday night, forecasters warned, along with a possibility of a localized flash flooding threat.
“There also is a severe weather risk with the main concerns being locally damaging wind gusts with hail [as] a secondary risk,” forecasters said.
By Friday evening, forecasters anticipate any wet weather should dissipate, leaving behind low clouds and fog with overnight temperatures in the 60s.
Warm and muggy conditions throughout Friday are expected to be commonplace for the weekend and the start of next week, forecasters said. As a cold front rolls in on Monday, temperatures for the start of the week are expected to be in the 80s, though forecasters anticipate weather to stay warmer than average for the last week of June.