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Winter storm looms for the weekend

Cold air moves in today

Dry and cold weather will enter the region today followed by an arctic air mass that will spread over southern New England Thursday and Friday. A coastal storm could bring significant snow and ice for the weekend, according to the National Weather Service.

“We will be in the lower 30s today, but Thursday will be the coldest day with temperatures in the upper 20s at best,” said Alan Dunham, weather service meteorologist. “With those types of temperatures, winds don’t have to even be that strong to make it feel like it’s in the single digits to teens.”

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Today will be mostly sunny with a high near 32. A few snow showers from New York could spill into Western Massachusetts this morning, but the day should be generally dry. A west wind could bring gust near 30 miles per hour. A dry arctic front will enter the region late in the day, and temperatures will fall to around 20 overnight, according to the weather service.

Temperatures won’t crest above 30 on Thursday. Skies will be mostly sunny and blustery winds will gust 13 miles per hour, making temperatures feel even colder. Conditions will remain clear overnight and temperatures will fall into the teens. A west wind will gust over 10 miles per hour through the night.

Friday will be mostly sunny with a high near 30, and an arctic air mass will remain entrenched across the region. A west wind will gust around 13 miles per hour, but should taper off by the evening. Snow showers could come to Boston overnight, but no accumulation is expected. Temperatures will fall into the teens overnight, according to the weather service.

A stormy period of weather is possible over the weekend. A second arctic front will pass through the region Saturday, keeping daytime temperatures in the upper 20s. Snow is likely after 2 p.m. and skies will be cloudy. Showers will become most intense overnight into Sunday. Snow will mix with rain through Sunday, as temperatures tick up into the upper 30s, according to the weather service.

“The storm isn’t etched in stone yet, but forecast models are starting to come into more agreement with each other, it is looking like through the weekend we will have snow in the interior,” Dunham said. “The big question is what’s going to happen in eastern Massachusetts, if that will be snow or rain or a mix.”

Jasper Craven can be reached at jasper.craven@globe.com. Follow him on Twitter @Jasper_Craven
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