Extreme Heat Warning

* WHAT...Dangerously hot conditions with high temperatures of 110 to 116 expected.

* WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning Counties.

* WHEN...Until 8 PM PDT Friday.

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

* ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal will limit relief from the heat.