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

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

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 ...

At 12:34 p.m. on Thursday, the NWS San Diego CA issued a wind advisory valid from Friday 2 p.m. until Saturday 11 p.m. The ...

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 ...

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

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 ...

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 ...

A toxin released by one of the largest algae blooms on record off the Southern California coast was linked to the deaths of a ...

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

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 ...