A heat advisory is in effect across much of southern and central New England.
High temperatures will remain on either side of 90 and heat index values pushing closer to 100 degrees, thanks to increasingly humid air.
Sitting close to a fair weather center of high pressure, the southern half of New England is unlikely to find any thunderstorms developing today, even as a cold front slowly settles south out of Canada.
In Northern New England, however, scattered thunder is probable this afternoon and especially early evening, with one or two storms not impossible as far south as the Berkshires to the Monadnock Region by evening.
By Tuesday, the passing cold front will be near New England’s South Coast, meaning a humid start coming off an uncomfortable night in the 70s will give way to noticeably more comfortable air from north to south, midday to evening, respectively, though an isolated shower or storm may result from the overturning of air in Connecticut and near the South Coast Tuesday afternoon.
Reduced humidity and air not quite as hot – 80s for highs – will dominate Wednesday, before heat and humidity surges back through New England Thursday, priming the atmosphere for scattered afternoon thunder ahead of a more powerful cold front.
Behind Thursday afternoon storms, new air arrives and sticks around with highs only in the 70s through the weekend – a chance of showers lingering into Friday and hopefully nudging south of us Saturday and Sunday, though we’ll watch it in our Early Warning Weather 10-day forecast.
