* WHAT...For the Heat Advisory, temperatures of 85 to 98. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 105 possible.
* WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5 Corridor, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Southern Salinas Valley, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor.
* WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Thursday evening.
* 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. There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors.