Snow Squalls North, Evening Rain Possible for Others

Temperatures will continue to moderate Friday, reaching near-seasonal levels in the upper 40s to low 50s south to mid-30s across the North Country.

An arctic cold front arrives across Northern New England during the mid-to-late afternoon, sparking snow squalls. We’re not expecting much in the way of any accumulating snow but, the squalls will bring reduced visibilities and slick roads.

Overnight temperatures drop into the low to mid 20s, teens to single digits to the north. Clear and crisp skies will prevail while winds gust 25 to 35 mph. An area of high pressure moves in from Quebec on Saturday, sending high temperatures back into the 30s.

Gusty north winds will drop wind chills into the twenties across southern New England and the teens across the North Country. A day of full sunshine is expected as very dry air settles in across the area.

High clouds will increase throughout the day on Sunday as a developing coastal low off the Carolinas moves north towards our region. In response, an easterly fetch will increase off the Gulf of Maine and Atlantic Ocean.

Light rain will develop across the Cape and Islands during the afternoon. By the evening, rain showers will be active across the Boston-Metro area. High temperatures will crest into the low to mid 40s across the South Coasts and the Cape and Islands, mid 30s across the interior and near-freezing north.

The forecast gets tricky Sunday night as our coastal low interacts with the preceding cold air at the surface. The threat of freezing rain becomes an issue late Sunday into Monday morning across the Worcester Hills and the Berkshires, and perhaps sleet and freezing rain farter to the north.

During freezing rain, and super-cooled raindrops, comes into contact with a frozen surface, freezing the raindrop on contact. The Monday morning commute may end up being a slow one. It only takes a few degrees to drastically change a freezing rain event so, stay tuned for future updates on the forecast.

Our coastal low skirts past Nantucket during the day Monday, with high temperatures rising to the upper 40s across the Cape and Islands, upper 40s around the I-95 Corridor, mid-30s across the interior and mid 30s across the North.

A powerful easterly fetch may result in a 1.5-foot storm surge. The storm surge, combined with the high tide cycle, is expected cause minor coastal flooding and some splash-over at the coast.

On Tuesday, clouds will remain overhead as we transition between storm systems. High temperatures will reach into the mid-40s for most with low 50s at the coast and upper 30s to the north. By mid-week, we’re watching the chance of snow showers across the higher terrain on our First Alert 10-Day Forecast on NBC10 Boston and necn.

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