A significant heat wave will begin in California on Tuesday, with searing temperatures that could last well through the long holiday weekend, forecasters said. The heat wave is expected to be long even by “California standards,” said Alex Lamers, the chief of forecast operations for the National Weather Service’s Weather Prediction Center.

As California braced for a dangerous, prolonged heat wave that’s expected to last through next week, firefighters across the state were already battling several new wildfires, some serious enough to force evacuations.

California's heat wave that began Tuesday looks more intense and longer-lasting than expected, potentially pushing it into all-time record territory. Why it matters: Up to two weeks of record-breaking heat is on tap across much of California,

Is it dangerous to set off fireworks during heat wave? Heat, wind and fireworks can be a dangerous combination, according to state fire officials. Kara Garrett, Cal Fire deputy st

With extreme temperatures in the forecast for parts of Northern California, public health officials want people to be aware of warning signs that the heat may be taking a toll on your health. Each year,

Excessive Heat Warnings so far cover 15 million in California as a dangerous, life-threatening heat wave looms.