PIEDMONT TRIAD, N.C. (WGHP) — A Dense Fog Advisory is in effect until 10 a.m. for Alamance, Chatham, Davidson, Forsyth, Guilford, and Randolph Counties. Expect visibility to drop to ¼ mile or less for an extended period, making travel difficult to hazardous. We are starting with a foggy morning, and an approaching cold front is expected [...] ...read more read less