While the mountains will continue to face a Heat Advisory through Monday at 8 p.m., the deserts will stay under an Extreme Heat Warning through 8 p.m. Tuesday.

Dangerously hot weather persists in the East County as temperatures climb 4 to 8 degrees above average for this time of year.

The marine layer returns acting to cool the coast and valleys while the mountains and deserts will remain above average with heat alerts into early next week ...