Red tide is caused by a harmful algae bloom. It can bring respiratory problems and even fish kills in high concentrations.

With the storm dumping rain over the Eaton Fire burn zone, runoff canals in Sierra Madre's Upper Canyon community are running black with muddy water.

Heavy rain from the latest atmospheric river triggered flood warnings in several Bay Area counties and evacuations in Santa ...

Trump's executive order has prompted Google Maps and Apple Maps to change the name to "Gulf of America." Plus, it's a topic ...

The strongest storm of the season is moving through Southern California Thursday. It's bringing heavy rain across the region, ...

Evacuation orders and warnings went into effect Thursday morning for the Los Angeles area burn zones as the strongest winter storm of the season drenches Southern California. Residents in the ...

Cal Fire released updated fire hazard maps for dozens of cities and towns in inland Northern California. All but one saw an ...

Residents in burn scar areas should be ready to evacuate if needed. City and county agencies have readied streets for debris ...

A recent executive order by California Gov. Gavin Newsom aims to ramp up fire safety in urban areas as new maps released by ...

NOAA partners with private sector, academia, nonprofits and many others around the world to ensure that everyone has the best information to produce the most robust weather forecasts. Private weather ...