Dangerous Heat Returns Monday

There's a heat wave ahead for some and a heat advisory is in place, affecting 8,420,391 people

A day of downpours and storms on Saturday gave way to beautiful summer weather on Sunday.

Skies were partly cloudy after morning fog burned off, with highs near 90 for many. It was slightly cooler, in the 80s, right at the coast courtesy of a weak sea breeze that developed. While it was still muggy during the day, it wasn't quite as oppressive as past days. 

Temperatures hold in the 60s and 70s Sunday night, making it very uncomfortable for sleeping without air conditioning. Patchy fog will again develop.

Monday is even hotter, with highs surging into the mid and upper 90s. The Cape and Islands, along with the South Coast, will be a touch less hot in the 80s. Combined with humidity, it will feel more like 100 at times. It will be dry in much of southern New England, with a few pop up showers or storms in northern New England.

A cold front continues to creep closer by Tuesday, bringing a few more showers and storms by afternoon. The main threat will be north and west of Boston. Highs again reach 90 in many spots, making it an official heat wave in some towns through the interior.

A heat wave, recall, is a stretch of three or more days at 90 degrees or higher.

Wednesday and Thursday feature a slight drop in humidity with a few more pop up showers and storms as the cold front passes by.


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After that point temperatures will drop into the 80s, but that’s still above average.

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