A band of lake effect snow was headed toward Buffalo and the Northtowns this afternoon, after blanketing the Southern Tier and ski country overnight and this morning.

A lake effect snow watch was issued for Northern Erie County, including Buffalo, as well as Genesee County starting at 7 tonight through Saturday evening.

Two to 4 inches of snow was expected tonight followed by 4 to 7 inches during the day Saturday, with another inch falling Saturday evening.

A general snowfall was forecast for Sunday across the region, dropping “a couple of inches across the area,” said National Weather Service meteorologist Dave Thomas.