This precipitation map shows the progression of a powerful storm system, bringing heavy rain and snowfall across the eastern ...

A large winter storm pushed across California on Thursday as other parts of the West prepared for heavy snow and rain.

There is a 50% chance of showers forecast in north Phoenix, and a 30% chance of showers in south and central Phoenix before 10 a.m. Thursday.

Ontario started to emerge from the deep freeze on Monday, with a sudden warm-up driven by an approaching system from the U.S.