Temperatures were still warm in some areas of the Central Coast, but increasing onshore flow allowed temperatures to slightly trend down compared to Friday.

Alvin's moisture will enhance rainfall in the Southwest U.S. this weekend then increase the chances of severe weather in the Plains.

Tropical Storm Alvin is unraveling quickly as it churns large swells towards portions of western mainland Mexico and the Baja California Peninsula, bringing an increased risk of life-threatening rip currents.

A tropical depression has formed off Mexico’s Pacific Coast and will likely become Tropical Storm Alvin later Thursday as it churns north toward Baja California, the US National Hurricane Center said.

Tropical Storm Alvin begins to unravel as new area to watch forms. Meanwhile, a tornado critically injures an 18-year-old in Georgia and millions will roast under triple digit heat in the West.