The system’s length and strength will be compounded by some offshore winds, which will help keep any marine influence at bay and keep temperatures high, even overnight.

"Marine heatwaves have become common annual occurrences," Hager said, crediting the rise in heat waves with the blob's first ...

The peak of a heat wave lingering over Southern California is expected on Thursday, which could bring record-breaking temperatures to some areas.

A heat wave is driving temperatures 5 to 15 degrees above normal across San Francisco and the greater Bay Area.

AccuWeather meteorologists predict Las Vegas could see temperatures rise to 104 degrees Fahrenheit, breaking a record of 103 ...

The Northeast Pacific ocean, off the U.S. West Coast, is experiencing its fourth-largest marine heat wave since record-keeping began in 1982. “The extent of the current Pacific marine heatwave should ...

The oppressive heat wave broiling California and much of the West will continue to bring dangerously hot temperatures — and likely more record-breakers — for even longer than forecasters first ...

Scorching temperatures that baked Southern California over Labor Day weekend will continue this week paired with thunderstorms and lightning strikes that will heighten fire risks across much of the ...

LOS ANGELES -- Dry vegetation fueled three wildfires near Los Angeles amid warnings Friday that the risk of new blazes erupting was high as temperatures spike and humidity levels drop during a ...

A record-breaking and astonishingly expansive marine heat wave is underway in the Pacific Ocean, stretching from the water ...

FRESNO, Calif. -- The California Independent System Operator (ISO), the operator of the state's power grid, has issued a Flex Alert for Wednesday as a heat wave settles into the area. All Californians ...