More than 10 inches of snow fell in parts of New England as snow, sleet and freezing rain swept across the Northeast before tapering off Sunday.

“So many of you have never seen an event like this,” Louisiana’s state climatologist warned, with New Orleans facing possibly the most snow it has ever seen.

An arctic chill is headed to Washington (and much of the United States) on Monday.

A winter storm was sweeping across a wide swath of the South on Friday. Atlanta’s airport issued a ground stop after a plane was evacuated onto a snowy runway.

Forecasters warned that a significant Santa Ana wind event this week could help wildfires spread quickly and erratically. Utility companies said they may pre-emptively cut off power to some customers.