New York City is experiencing a second round of snowfall this weekend, with expectations of double the amount compared to Saturday's accumulation. The snow began early Sunday and is forecasted to continue throughout the day. A shift in the storm's trajectory has moved it westward, prompting weather advisories due to the potential for significant snow accumulation. Following the storm, a cold front is expected to bring the coldest temperatures of the winter season so far, with temperatures dropping into the mid to upper teens by Tuesday and Wednesday morning.