Temperatures in the Sacramento Valley are expected to warm, too, after a high of 51 degrees expected Monday and an overnight ...

Inclement weather plagued the country, and in San Francisco, authorities issued the first-ever tornado warning.

Inclement weather plagued areas of the US in the first half of the weekend, with dangerous conditions including heavy snow in ...

San Francisco residents awoke to a tornado warning, but none touched down there. It was the first such warning for the city ...

A very soggy start to the weekend really upped our rain and snow totals. Parts of the Sierra saw more than three feet of snow.

Inclement weather plagued areas of the U.S. over the weekend, with dangerous conditions including heavy snow in upstate New ...

An ice storm created treacherous driving conditions in Iowa and eastern Nebraska over the weekend. Meanwhile, San Francisco was under a tornado warning.

A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...

A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...

In San Francisco, authorities issued the first-ever tornado warning. Meanwhile, upstate New York saw heavy snow, the Midwest ...

Weak La Niña conditions possible, but not guaranteed Do what you can to take advantage of December run Slowing down through ...

A rare tornado in Northern California on Saturday caused quite a bit of damage as the spiraling vortex flipped cars, damaged ...