Heat Advisory

* WHAT...Temperatures of 90 to 110 degrees, hottest on Wednesday and over interior areas.

* WHERE...Northern Ventura County Mountains.

* WHEN...Until 8 PM PDT Thursday.

* 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.

* 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.