A late-season storm system is expected to affect most of Southern California, bringing light to moderate rain.

A system of low pressure is bringing rain and unseasonably cold temperatures to most of Southern California, and communities at higher elevations will likely see some snow.  The storm is estimated ...

A late-season snowstorm is expected to drop up to 7 inches of snow to some Southern California mountains this weekend.

The neurotoxin domoic acid has been detected in an algae bloom off the coast for the fourth year in a row, and this one is ...

Whales, dolphins, and other marine mammals are washing up dead along the California coastline. A team from the National ...

The storm is anticipated to bring about a tenth-of-an-inch to a quarter-inch of rain on Saturday before dry conditions return ...

An air quality alert was reported by the NWS Phoenix AZ on Friday at 7:19 a.m. in effect until Sunday at midnight. The alert ...

A harmful algal bloom off the Southern California coast continues to sicken and kill marine life, with at least seven ...

Coast Guard rescue missions failing after running into unexpected currents. Surprise atmospheric river storms flooding downtown San Francisco. Seafood contaminated by unseen algal blooms. California ...

A cool, wet weather pattern will probably bring some April showers to Southern California. Areas of Los Angeles could see up ...

In the past week, there have been more than 50 dead and dying dolphins found along the L.A. County coast. Experts say it's due to a neurotoxin called domoic acid.

An "unprecedented" toxic algae bloom has overrun the coast of Southern California, sickening marine animals and staining the ...