Tallahassee, FL – Drivers in Tallahassee and surrounding areas are urged to exercise caution this morning as a dense fog advisory is in effect until 10 a.m. Thursday. Visibility is expected to drop below one mile, and in some areas, it may decrease to less than a quarter-mile. Slow down, maintain safe distances, and use your low-beam headlights for visibility. The advisory impacts the Florida Big Bend and parts of southwest and south-central Georgia.