Thanks to all of you for continuing to make 1DegreeOutside part of your daily routine, even while we’re on vacation with the kids – and yes, the green screen came along for the ride, because there’s just too much happening in the weather to step away!
Let’s dive into the forecast.
A slow-moving cold front is setting up across New England and will stall Thursday into Friday, setting the stage for repeated downpours and possible flash flooding, especially across Southern New England. The greatest rain rates are expected Thursday night into early Friday, with the South Coast, including parts of Connecticut and Massachusetts, most at risk.
With tropical-level humidity and a steady supply of warmth colliding with cooler Canadian air, thunderstorms may repeat over the same areas, leading to localized rainfall totals of 3 to 5 inches. While general amounts will run 1.5″–2.5″, some towns may get significantly more if storms “train” over the same spot.
Today will remain hot and humid, though not quite as extreme as earlier in the week. Expect some isolated storms in the afternoon and evening—covered more in our Noyes’ Notes video this morning.
Surface-based wildfire smoke continues to drift across New England today. A fresh surge of it is expected Thursday, especially across central and southern New England, lowering air quality. You might even smell it. Some clearing may arrive by Friday as the front progresses offshore.
Rain may linger into Friday morning, particularly for the Cape and Islands, before drier air finally wins out. Temperatures will fall into the 60s and 70s for many on Friday, depending on how quickly clearing occurs.
Saturday and Sunday both look terrific. A large dome of high pressure takes over, bringing sunshine, lower humidity, and highs in the 70s and 80s. There’s a slight chance of a shower in northern Maine Sunday, but the rest of New England looks dry and comfortable.
We’re also keeping tabs on global events—a magnitude 8.8 earthquake struck off the eastern Russian coast, generating tsunami waves reported from the Russian peninsula to the California coast (2–4 ft in spots). While there’s been no major damage, aftershocks over magnitude 7 continue and could still produce more tsunamis.
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