Fog advisory issued until 9 am

RIVERSIDE - Commuters in Riverside County will confront foggy road conditions this morning.

The National Weather Service issued a dense fog advisory for the valleys until 9 a.m.

Fog will be most widespread in low lying areas, with visibility less than a quarter mile at times, according to the agency.

''If driving, slow down, use low beam headlights and leave plenty of distance ahead of you,'' the Weather Service advised....