A wildfire in the Mill Dam area of the Ocala National Forest prompted the closure of State Road 40 at County Road 314A and State Road 19, according to the Florida Highway Patrol.

Several detours have been setup in the area.

Eastbound traffic on SR 40 will be detoured north onto CR-314A to SR-19, then south on SR-19 to SR-40. Westbound traffic on SR-40 will be detoured north on SR-19 to CR-314, then south to either CR-314A or CR-314 to SR-40.

Authorities are advising drivers to use their headlights on low beam and to be extremely cautious.

Smoke and fog conditions from the wildfire man extend to secondary roads. Visibility has been reduced to zero in areas near the wildfire.