A significant warm-up is coming to much of Southern California with triple-digit heat expected to scorch parts of the valleys and Inland Empire. Temperatures will remain normal through Tuesday with a gradual increase on Wednesday. Forecasters predict conditions will peak on Thursday.

After a cooler than normal start to summer, temperatures are finally heating up as we get the month of August started.

A heat wave is predicted to begin this Wednesday and run through Saturday. It is expected to peak on Thursday with some areas reaching temperatures in the triple digits. The cause is a high-pressure system,