Rain and winds brought power outages to the Bay Area after a Saturday morning tornado warning. Elsewhere: lots of weekend ...

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

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

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

The National Weather Service initially sent the warning around 5:56 a.m. for northern San Mateo County and portions of ...

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

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

Less than two weeks after a tsunami warning, residents were jolted awake before 6 a.m. to consider a new potential disaster ...

For the first time ever, the National Weather Service has issued a tornado warning for San Francisco as a system roared on ...

The National Weather Service issued San Francisco's first-ever Tornado Warning on Saturday as a strong Level 3 storm moved through the region.

A tornado warning issued for San Francisco and parts of San Mateo County was based on radar-indicated rotation.