Southern California is bracing for a weekend of powerful heat, with temperatures forecast to exceed 100 degrees in places.

A heat advisory is in effect for several regions across Los Angeles County this week, with temperatures expected to climb into the 90s and beyond.

Models show mother nature may show some mercy. Highs will merely reach the 90s in most places, though some areas could top 100.

A brush fire that broke out in the San Fernando Valley Wednesday afternoon injured one person, caused a shutdown of an LA Metro line and encroached on structures before forward progress was stopped.

Chilly temperatures and even some drizzle are in store for Southern Californians this weekend, but summer lovers rejoice because a rapid warmup is right around the corner.

An unusually early heat wave is sweeping through Texas and the central U.S., with conditions the National Weather Service called "major to extreme." CBS News Los Angeles meteorologist and climatologist Marina Jurica has more.