What to KnowThe Philadelphia region, surrounding Pennsylvania suburbs, South Jersey and Delaware are getting hit with what is shaping up to be the biggest snowstorm in years.A FIRST ALERT is in effect through Monday, Jan. 26 at 7 a.m. for Philadelphia, the surrounding Pennsylvania suburbs, South Jersey and Delaware due to an arctic blast, heavy snow and freezing rain.The snow will move in early Sunday morning and become heavy at around 9 a.m. It will continue through 2:30 p.m. before changing to a mix of sleet and freezing rain that could cause icy roads and widespread power outages.A prolonged period of freezing rain and sleet is likely through late Sunday evening. Light snow and flurries will also continue to fall into early Monday morning when the system moves out.The Philadelphia region and surrounding suburbs are expected to get 8 to 12 inches of snow, the Lehigh Valley is expected to get 12 to 18 inches of snow, South Jersey is expected to get 5 to 8 inches of snow and coastal Delaware and the Jersey Shore are expected to get 3 to 5 inches of snow.People are being urged to avoid unnecessary travel at this time, and if they do have to go on the roadways, they are being urged to do so with extra caution. Get the latest forecast by following the NBC10 First Alert Weather team and downloading the NBC10 app.

A major winter storm is bringing heavy snow and ice to the Philadelphia region, Pennsylvania suburbs, New Jersey and Delaware. Get the latest updates below.