Occasionally we will share severe weather information consequential to public health, public safety and EMS response.

An arctic air mass will overspread the region Saturday afternoon into Sunday with potential life threatening wind chills and near record cold temperatures. Now is the time to take action and review the preparedness tips below.

Timing: The core of the cold air arrives Saturday afternoon and settles over the region Saturday night into Sunday. Impacts … this is a potentially life threatening cold air mass for residents of MA, RI & CT Saturday afternoon into Sunday with wind chills 15 to 25 below zero and potentially 30 below zero across the interior. In addition, actual air temperatures will approach record low values Saturday night.

Marine Impacts: Heavy Freezing Spray Saturday afternoon into Sunday may result in dangerous conditions for any vessel in the near shore waters of MA & RI. The threat of heavy freezing spray will lessen with increasing distance from the coastline as water temperatures are warmer offshore.

Potential Snowfall Friday Evening & Overnight: ahead of the Arctic front a brief period of moderate to heavy snow is possible across Cape Cod, Nantucket & Marthas Vineyard. Snow accumulations of 1-3″ are possible. Elsewhere, only a period of light snow or flurries are expected.