A colossal storm is threatening to bring severe weather to much of California this week and could impact travel over the Grapevine. Here's what to know.

More than 1 million homes in Los Angeles, San Diego and San Francisco will be at moderate-to-high flood risk by 2050, ...

Localized small and urban stream flooding is possible ... Laytonville and Petrolia will likely get 2 or more inches. San Francisco and Oakland are forecast to get nearly 2 inches, according ...

A colossal storm could bring hurricane-force winds, major flooding, blizzard conditions and tornadoes to much of the U.S. later this week.

The risk of damaging flooding from a major tsunami may be greater than many realized along stretches of California's renowned ...

The forecast comes days after an expansive storm similarly trekked across the U.S. last week, unloading snow in the northern Plains and bringing tornadoes and wildfires to the South. At least five ...

People decked out in festive attires lined up early on Saturday along San Francisco's Market Street, looking for a spot to watch the 174th annual St. Patrick's Day Parade. The parade is just one ...

The risk of flooding from a major tsunami may be greater than many realized along Monterey County's coastline, California officials said in new study.

The watch is in effect until Thursday, Mar. 13 at 6 p.m. The NWS San Diego CA said, “Flooding caused by excessive rainfall is possible.” “Excessive runoff may result in flooding of rivers ...