* WHAT...Daytime temperatures in the 90s up to 100 degrees expected.

* WHERE...Los Angeles County Inland Coast including Downtown Los

Angeles, Santa Barbara County Southeastern Coast, and Ventura

County Inland Coast.

* WHEN...From 10 AM to 8 PM PDT Wednesday.

* IMPACTS...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.

Drink plenty of fluids, stay in an air-conditioned room, stay out of

the sun, and check up on relatives and neighbors.