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.
The National Weather Service has issued a heat advisory for San Bernardino and Riverside County valleys. It will go into effect at 10 a.m. on Wednesday and remain until 8 p.m. on Friday. Weather officials say temperatures in these areas are expected to reach up to 105 degrees…