Coming off Weekend Connecticut Tornado, Unsettled But Not Severe

Wildfire Smoke Drifts Across New England's Sky

LKN_SMOKE_FORECAST LKN_SMOKE_FORECAST LKN_SMOKE_FORECAST LKN_SMOKE_FORECASTAfter an incredible late spring and early summer stretch of weather, days like today have become harder to come by in July – sunshine and temperatures well into the 80s and pushing 90°.  A flow of air thousands of feet above our heads, driven by the jet stream steering winds aloft, is flowing from western Canada to the Great Lakes and New England, carrying three features that will impact our forecast: energetic disturbances, cooler air and wildfire smoke.  The wildfire smoke is the first and most apparent impact on New England’s sky Tuesday, carried east from wildfires in the Western US and Western Canada, thousands of feet aloft, the smoke will both add a haze to the Tuesday sky and provide some extra color to sunset Tuesday.  The energetic disturbances caught in the flow of west and northwest wind aloft are set to arrive to New England Tuesday afternoon, raising the risk of showers and thunder – some possibly strong - in Northern and Western New England.   Although Southern New and Eastern New England are far less likely to find Tuesday afternoon storms, an isolated shower can’t be ruled out in Eastern MA Tuesday afternoon, then the storms of Northern and Western areas may carry south and east while slowly weakening late Tuesday evening and overnight Tuesday night.  Aside from the isolated showers, mariners will find a delightful Tuesday on the water with a nearly calm sea and very light wind.  Changing weather Wednesday will be marked by a slow-moving cold front that will deliver occasional showers to Northern New England over much of the day, and afternoon through evening downpours and thunder to Southern New England, where damaging wind gusts and localized flash flooding will be possible given the expected strength of the storms.  New air streams into New England by Thursday, lowering humidity dramatically and bringing fair and delightful weather.  One quick-moving disturbance raises the chance of a passing shower slightly Friday before another shot of comfortable air with a fair sky to make Saturday the pick of the weekend.  The unfortunate by-product of cool and comfortable air is, eventually, warmth and humidity returns this time of the year and when that happens, a collision of air means an increased chance of clouds, showers and rain.  Right now, it looks like that transition from nice weather to showers happens from Saturday (nice) to Sunday (cloudy, showery).  The chance of showers remains elevated into early next week but the weather pattern may start to move a little faster, with a day or so of spacing between shower chances by the way it looks right now in our exclusive First Alert 10-day forecast.

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