Heat Advisory

* WHAT...For the Heat Advisory, hot temperatures of 90 to 100 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures of 95 to 105 expected.

* WHERE...Interstate 5 Corridor and Western San Gabriel Mountains and Highway 14 Corridor.

* WHEN...For the Heat Advisory, from 10 AM Thursday to 10 AM PDT Friday. For the Extreme Heat Warning, from 10 AM Friday to 8 PM PDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.