A warm Fourth of July, and an even hotter weekend, as heatwave rolls through Southern California

The Fourth of July will be warm and sunny, with an even hotter weekend in store, as temperatures are expected to soar into the triple digits in some areas amid a heatwave making its way across Southern California and other parts of the state.

By Wednesday, a high-pressure system already had settled over the region, with temperatures in the Inland Empire reaching exceeding 100 degrees, according to National Weather Service meteorologist Mark Moede.

A heat advisory was issued in San Bernardino County on Wednesday...