Excessive heat warning remains in effect from 11.00 am Sunday to

8.00 PM Wednesday with temperatures expected to reach a high of 121f Monday.

High temperatures throughout Sunday (118f) could continue in the mountains and particularly the deserts, through the end of the work-week. Borrego Springs library will be opening as a cool zone.

Extreme danger to children or pets left inside a parked car and from hot asphalt.