* WHAT...Warm and humid conditions with elevated overnight temperatures in the upper 60s to low 70s. High temperatures in the mid 70s to near 80 at the beaches to near 90 further inland expected.
* WHERE...Orange County Coastal Areas and San Diego County Coastal Areas.
* WHEN...From 10 AM Wednesday to 8 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.