Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go 'Beyond the nugget' to learn about the polar vortex and the Santa Ana winds.

The rain will continue throughout Tuesday and will intensify this afternoon as the main band passes across the region.

Sonoma County drenched by deluge that reached a peak Tuesday, raising the Russian River toward flood stage, closing dozens of roads, including HIghway 101 in Windsor, and causing mudslides, one of ...

The Bay Area will see significant storm impacts Tuesday as an atmospheric river brings heavy rain, urban and river flooding, ...

Clouds and wind rolled through the Central Valley Tuesday as a set of storms set up to bring in much-needed rainfall.

A pair of storms are taking aim for Southern California this week, beginning with a weaker system that’s slated to deliver up ...

Pacific Coast Highway has been closed again, as rain is making its way to Southern California, bringing fears of mudslides in the Palisades Fire burn area.

Snow and rain created hazardous conditions on I-80, leading to a semi-truck spinout as drivers faced chain controls.

PG&E’s North Valley sector held a press conference to discuss its preparation for the current and incoming storms affecting ...

There will also be periods of gusty winds for the San Bernardino County mountains and the low desert today through Wednesday, with gusts of 40 mph to 50 mph. High and low deserts will not see any rain ...

NewsWatch 12 has learned of several chain requirements on local roadways because of snow and ice Tuesday morning.

The atmospheric river storm hitting Northern California is set to bring heavy rain to the San Francisco Bay Area on Tuesday, potentially triggering flooding. In the mountains, the National Weather ...