Inclement weather has plagued areas of the U.S. in the first half of the weekend, with dangerous conditions including heavy ...

A tornado touched down in the town of Scotts Valley on Dec. 14, as San Francisco issues first-ever tornado warning ...

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

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

San Francisco experienced its first-ever tornado warning early Saturday, stunning residents as a powerful storm swept through ...

Severe storms caused damage across northern California on Saturday, and for the first time in recorded history, the National ...

For the first time in recorded history, downtown San Francisco was issued a tornado warning on Saturday as severe storm ...

A major ice storm has created treacherous driving conditions across Iowa and eastern Nebraska and prompted temporary closures ...

San Francisco residents were woken up by a tornado warning early Saturday morning during a powerful storm system that ...

A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado warning on record for the city of San Francisco on Saturday morning.

A tornado near a mall in central California swept up cars, uprooted trees and sent several people to the hospital. In San ...