Extreme Heat Warning

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 114 expected. Major to Extreme Heat Risk.

* WHERE...Chuckwalla Mountains, Salton Sea, Chiriaco Summit, and Joshua Tree NP East.

* WHEN...From 10 AM this morning to 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.