Posted January 26, 2006, 6:33 AM.

NOAA satellite imagery also indicated fog present in the Fallbrook area and in other parts of San Diego county to the south. Parts of the Interstate 215 corridor in Riverside county also appear to be affected. Driving may be especially treacherous in the Perris area.

The National Weather Service's Dense Fog Advisory for this morning is in effect until 9am. Low clouds from the marine layer can be expected to hang around longer.

Rick Christman contributed to this report.