A blast of Arctic air is bringing cold weather to New England over the next several days. Wind chill values in the mornings are going to be 0 to 15 below, with the coldest areas across the hillier terrain of Worcester County and the Berkshires.

Actual high temperatures will only reach the upper teens to around 20 degrees in the Boston area Tuesday, according to Dave Epstein.

A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across the entire eastern half of the country. Temperatures are set to drop as low as 20 degrees below average through Thursday with the highs only reaching the teens and some lows even plunging below zero.

BOSTON - The harshest week of winter thus far has begun, kicking off with several inches of snow in much of Massachusetts. A widespread 4-to-8 inches of snow fell across most of southern New England by early Monday.

What to Know An extra punch of arctic air pushes into the tri-state Monday night, dropping Tuesday morning’s temperatures into the single digits for many across the region The National Weather Service has issued cold weather advisories for much of the tri-state west of NYC.

The polar vortex has brought Arctic cold to the New York City area—and below-freezing wind chills are in the forecast for the entire week.

ARCTIC CHILL AHEAD The cold, arctic air will peak Tuesday and Wednesday. Brace for wake-up temperatures in the single digits above and below zero. Highs will only reach the upper teens and lower 20s.

An Arctic blast has brought wind chill values of well below zero to Maine, something that will continue for the next couple of days. The National Weather Service forecast office in Caribou said the low temperature in Bangor was minus 13 degrees Tuesday morning,