The atmospheric river, which gained momentum, soaked the Bay Area on Tuesday, according to the National Weather Service.

The atmospheric river storm hitting Northern California brought heavy rain, flooding and mudslides to the San Francisco Bay Area on Tuesday. In the mountains, the National Weather Service has issued ...

The first of two "pineapple express" storms arrived in Southern California early Wednesday after delivering a ...

After a relatively weak storm expected to arrive in L.A. late Thursday, forecasters say a potentially more powerful storm could hit around Valentine's Day.

Many San Mateo residents are left with more questions than answers after a Caltrain-hosted community meeting meant to address ...

SAN MATEO, Calif. (AP) — SAN MATEO, Calif. (AP) — Roblox Corp. (RBLX) on Thursday reported a loss of $219.6 million in its fourth quarter. On a per-share basis, the San Mateo, California-based company ...

San Carlos air traffic controllers ended up working out a deal with their new employer and instead of walking off the job ...

Essex Property Trust has acquired The Plaza, a 307-unit rental apartment complex in San Mateo County, for $161.4 million.

It could rain for many hours each day in the middle of next week as the edge of one of these storms takes a swing into ...

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Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...