by Andy Rathbun, Pioneer Press

The ice caves of Apostle Islands National Lakeshore could open this weekend if windy conditions don’t spoil the fun.

About 90 percent of Lake Superior is covered in ice, including the area that forms the path to ice caves near Bayfield, Wis. But what’s not clear yet is whether that ice is stable enough for the thousands of visitors likely to come out to see the caves.