A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

The second of two relatively mild storms is moving out of Southern California Friday but a much larger system appears to be ...

In the West, Oregon, Washington, California and Idaho have the greatest vulnerabilities from landslides, which cause billions ...

Pacific Coast Highway reopened Monday morning, but authorities warned drivers using the route to expect delays. As of 8 a.m., ...

The cold air will be somewhat limited, but enough arctic air will wrap around the system that a snowstorm could break out in ...

The first of two "pineapple express" storms has arrived in Southern California after delivering a stronger-than-expected ...

A winter storm system will pass through the region for the first half of the weekend with accumulating snow looking ...

Another storm is on its way to California bringing more rain chances to our neighborhoods. Scattered light rain is likely to begin late this afternoon and last on and off until Friday morning.

Rain fell across northern California on Saturday and could continue for days with an atmospheric river hanging over the ...

California's snowpack stands at 65% of average for this time of year. After a dry January, major storms are forecast to bring ...

A La Niña advisory is in effect. La Niña occurs when the ocean's surface temperatures in the central and east-central equatorial Pacific reach a specific cooler-than-average level, as circled below.

hurricane researchers and forecasters widely predicted that La Niña would return in full force after a near-record multi-year period of warmer water in the eastern Pacific Ocean, also known as El ...