California Highway Patrol Traffic Incident Site
This site will give you information on current traffic conditions, hazards and closures.
http://cad.chp.ca.gov/Traffic.aspx

California Department of Transportation (CALTRANS)
This site offers not only current road conditions as well as current freeway speeds.
http://www.dot.ca.gov/roadsandtraffic.html

County of Riverside Transportation and Land Management (TLMA)
The County of Riverside Transportation & Land Management Agency (TLMA) Transportation Department maintains a listing of current road closures for County-maintained roads.
http://rctlma.org/trans/Road-Maintenance/Road-Closures

CAL FIRE/Riverside County Fire Department Incident Information
If you seeking information on fires or other incidents involving CALFIRE/Riverside County Fire Department click on:
http://www.rvcfire.org/_Layouts/Incident%20Information/IncidentInfoDetail.aspx?2013

CAL FIRE/Riverside County Fire Department Live Incident Feed
For a real-time list of active CALFIRE/Riverside County Fire Department incidents click on:
http://www.rvcfire.org/_Layouts/IncidentFeed/Feed.aspx

USGS
Have you ever thought you felt an earthquake or tremor but weren’t really sure? Look here to see if it was one or how strong it was.
http://earthquake.usgs.gov/earthquakes/shakemap/sc/shake/37213455/

Southern California Edison

This Web site offers an outage page that shows current power outages, along with information on expected restoration of services. They also offer a smartphone app that gives the same information.
https://www.sce.com