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.

The arctic air will persist through at least Wednesday morning. Early Tuesday morning, wind chill readings ranged from -20 to -35 degrees, with colder wind chills for areas north and west of the city. With wind chills, this dangerously cold, frostbite, and hypothermia could happen on exposed skin within 30 minutes or less.

The temperature at the Rochester airport dipped below freezing for the first time in almost 2 years Wednesday morning. In fact, much of the Rochester area and Finger Lakes woke up to sub-zero temperatures.

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.

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,