The San Diego Union Tribune has posted a Google Map that shows in real time where the fires are burning, Estimated Advisory Evacuation Areas, and evacuation destinations. Link -via Metafilter
The Los Angeles Times also has a map of the fires around the Los Angeles area, updated every few hours. Link
For SD; KPBS has better, detailed maps which are updated more often: http://maps.google.com/maps/ms?hl=en&ie=UTF8&msa=0&msid=114250687465160386813.00043d08ac31fe3357571&ll=32.990236,-116.930237&spn=0.946815,1.842957&z=9&om=1
Has a map with roll-over highlights for 17 fires in CA.