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

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 ...

On Friday at 1:04 p.m. the NWS Los Angeles/Oxnard CA released a winter weather advisory valid for Saturday between 9 a.m. and ...

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

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

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

Light rainfall is expected Friday night into Saturday, with hourly rates up to 0.25," according to the National Weather ...

Marine life experts are concerned about a severe algae bloom that has left thousands of marine mammals, including sea lions, dolphins and whales, sick or dead along the Southern California coast ...

The Argo program collects data vital to global weather forecasting and developing seasonal scale forecasts like El Niño and La Niña, for producing drought forecasts across the U.S., and for mapping ...

Temperatures are expected to ramp up in Southern California next week as May approaches, but the region is likely to receive a rinsing first. Rain could roll in as early as Friday night and stay ...

Southern California could be dealing with its worst toxic algae bloom ever. Domoic acid toxicosis associated with a bloom off ...