NOAA has issued a G3, or "strong," geomagnetic storm watch for Dec. 9. "The aurora may become visible over many of the ...

Although not nearly as potent as the storm that soaked Southern California last weekend, rain Thursday could still bring the risk of flooding or mudslides.

Southern California is bracing for heavy rain, gusty winds and cooler temperatures as a Pacific storm, fed by an atmospheric river, moves inland through the region.

Though conditions began to improve on Nov. 16, forecasters warned that another storm system is expected to bring more rain on Nov. 17 and 18.

An atmospheric river is threatening to unleash flooding rain and mudslides across Southern California, triggering evacuation warnings in Los Angeles.

Pack Fire burns 3,400 acres in Mono County, prompting evacuations and U.S. 395 closure as storms bring relief and new hazards ...

The driest place in North America saw more than 1,000 percent of its average monthly rainfall during November.

The third storm in just over a week drenched Southern California on Friday and prompted some local flooding but caused no major widespread damage before heading east into the mountains and south ...

A shortfall of infrastructure improvements bedevils many states, but California received a C-minus grade from the California ...

Mammoth Mountain Ski Area, Lassen and other winter sports spots may have to wait longer to get snow after Thursday's storm ...

LOS ANGELES (AP) — A rare October storm pummeled Southern California with several inches of rain on Tuesday, swelling rivers, causing freeway accidents and prompting evacuations in wildfire-scarred ...