* WHAT...Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual
* WHERE...Valleys and mountains of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties.
* WHEN...Until 8 PM PDT Monday, peaking Thursday through Sunday.
* IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...While today (Wednesday) will not be as hot as previously expected, a sharp warm up is still on track for Thursday.