Much of Southern California has been placed under a heat advisory on Tuesday as the first day of a four-day heat wave arrives ...

A map shows areas in California where temperatures are expected to surpass 100 this week. There has been an early-season heat ...

A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

“They are a planning tool.” The maps released Monday cover eight counties in Southern California and along the Nevada border: Los Angeles, Orange, Riverside, San Bernardino, San ...