A broad low-pressure area in the Atlantic Ocean midway between the Windward Islands and the coast of West Africa is likely to become a tropical depression or tropical storm before Sept. 21, the ...

Topical moisture surging up the California coastline Wednesday afternoon is bringing rain to San Diego, isolated thunderstorms to the Central Coast and enhanced cloud cover in the Bay Area. It's the ...

Tropical Storm Alvin, could be the first named storm in the Northern Hemisphere this year. It has formed in the eastern Pacific Ocean. The storm is not expected to directly impact the U.S. but may ...

Moisture from Tropical Storm Mario is bringing Florida-like humidity and heavy rain to Southern California. The National Weather Service in Los Angeles noted that atmospheric moisture readings were ...