A dome of high pressure – fair weather – continues to dominate our New England weather story, anchored over Eastern Canada and maintaining a northerly wind direction for a stream of cool and dry air. Tuesday afternoon and night a northeast component will take over, bringing a puff of even cooler and somewhat more moist air through Maine first Tuesday, then the rest of New England overnight Tuesday night into Wednesday morning, carrying increased clouds and some sprinkles and light rain showers. While Eastern New England may wake to clouds, a wet ground and some lingering scattered sprinkles Wednesday morning, we do expect the dry air to take over again by Wednesday afternoon with increasing sun…but the coolest air of the week will be in place with high temperatures only 60 to 65 degrees. Tuesday night should turn cold enough for a freeze in Northern Maine – for the rest of us, it’ll be a chilly night with isolated deep valley frost possible, but most of Central and Southern New England will avoid any widespread frost, and certainly not the hard freeze necessary to extinguish the EEE threat in Southern New England. Thereafter, a moderation in temperature begins, with each day progressively milder until finally the weekend delivers highs around 80 degrees, right into the Autumnal Equinox – the first day of astronomical autumn – on Monday. In fact, with dry air so firmly in place and Hurricane Humberto missing to the southeast of New England with little more than building swell on our coastal waters this week, peaking over 10 feet on Friday with rip currents, sunshine will prevail through Monday, as well. Our next chance of showers comes Monday night into Tuesday, then perhaps again next Thursday in the exclusive First Alert 10-day forecast.