Scientists warn that record-breaking heat in the Pacific Ocean could mean a summer of severe storms and humid heat.

The dangerous heat wave shattering March records all over the U.S. Southwest is more than just another extreme weather blip. Experts said unprecedented and deadly weather extremes that sometimes ...

"Boy howdy, does it look persistent and extreme." ...

It could boost temperatures, humidity and the threat for tropical storms in the West through summer.

Coastal waters from San Francisco to Baja California are experiencing a record-breaking marine heat wave. A marine heat wave ...

The most destructive wildfires in Southern California history. The region's wettest holiday season. The hottest March heat wave on record. In the last 15 months, the Southland has seen a trio of ...

The unusually hot waters are lurking in the sea off the California coast, and they could wreak havoc on the state’s weather ...

Triple-digit temperatures arrived two months early, shattered records all week, and still aren't done — but while the worst of Phoenix's historic heat wave is finally here, slight relief may be on the ...

March temperatures across the western U.S. are 10.8 degrees warmer than they would have been in a world without global warming. This week’s Western heat wave would have been “virtually impossible” ...

The most destructive wildfires in Southern California history. The region’s wettest holiday season. The hottest March heat wave on record. In the last 15 months, the Southland has seen a trio of ...