* WHAT...Temperatures of 85 to 105 degrees, hottest on Wednesday and over interior areas.
* WHERE...Los Angeles County Beaches, Malibu Coast, Palos Verdes Hills, San Luis Obispo County Inland Central Coast, Santa Barbara County Inland Central Coast, Santa Lucia Mountains, Santa Ynez Valley, Ventura County Beaches, and Ventura County Inland Coast.
* WHEN...From 10 AM Tuesday to 8 PM PDT Thursday.
* IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Humid conditions will add to the heat to potentially worsen heat impacts. Effects of the heat will build through the week, with warm overnight low temperatures providing little relief from the heat.