The National Weather Service issued an updated report at 4:55 a.m. on Saturday for lake effect snow until 7:30 a.m. for Northern Erie and Southern Erie.

While a lake-effect snow warning is in place for Erie County until Tuesday, the worst weather is likely Saturday, complicating Friday snowfall recovery.

In late fall and winter, lake-effect snow is a common occurrence in the Great Lakes region. "Lake-effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes.

The long-duration lake-effect snow event along the Great Lakes is entering its fourth day. Nearly 6 feet of snow has already accumulated, and the storm is expected to continue into Tuesday, potentially bringing total snowfall to over 7 feet. FOX Weather's Mike Seidel is reporting live from Mayville, New York on the latest snowfall.

Cleanup work is continuing around parts of the Great Lakes region socked by lake-effect snowstorms that dropped several feet of snow over the weekend.

Here’s a day-by-day look at the winter weather forecast. The sudden freeze that has chilled many who had experienced a somewhat toasty autumn in the Eastern United States is set to continue this week as far south as Florida,