Southern California is facing a sharp rise in mosquito activity as record heat speeds up breeding cycles across the region.

A heat wave that promised to be perhaps the most intense of 2026 has lived up to its billing, and the slow build of dangerous ...

Forecasters say a dangerous heat wave is descending across much of Southern California, which is likely to bring triple-digit temperatures.

Southern California's extreme heat is driven by a persistent high pressure ridge has parked over the region causing sinking ...

As a heat wave persists and hot temperatures stick around, doctors say the heat could also be keeping people from getting ...

At least 35 million people are under heat alerts on Sunday as a dangerous multi-day October heat wave continues across nearly all of California.

The utility said crews were investigating the cause.

Sunday's Week 4 matchup between the San Francisco 49ers and Denver Broncos was one of the hottest games in Levi's Stadium ...