TODAY: I'm tracking fog possible for some this morning, which is why a dense fog advisory will be in effect for most areas west and southwest of Columbia until 10 am. After this, mostly sunny conditions can be expected for the afternoon hours, allowing temperatures to warm into the upper 70s and low 80s as winds blow out of the north at 5-10 mph. TONIGHT: I'm tracking a mostly clear and quiet evening as winds shift into the southeast, blowing at…