A heat dome building on the western side of the United States may break records this week, surging temperatures to 119 degrees in California.

A widespread and prolonged heat wave is expected to intensify fire concerns across California over the next few days, as temperatures rise and landscapes further dry out. Already, several fires are burning in Central and Southern California.

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,