You will need to find an alternate route if you commute into or out of Broward from Palm Beach.
U.S. 27 is closed from I-75 to South Bay in Palm Beach County due to heavy smoke.
Northbound traffic is being diverted at I-75 and southbound traffic is diverted at State Road 80 (Southern Boulevard) in Palm Beach County.
Officials say lightning may be the cause.
photo credit cbs4