Interstate 10 from the Louisiana-Texas state line to as far east as Sorrento or Gramercy could be fully open to traffic in both directions at some point Thursday afternoon, Department of Transportation and Development Secretary Joe Donahue said.

A winter storm swept across south Louisiana on Tuesday morning, covering New Orleans, Baton Rouge and Lafayette in a layer of snow. Highways, roads and schools across the state have been closed — effectively stalling Louisiana's economy.