An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.

Northern California is bracing for another winter storm this week, which is set to bring heavy rain and snow and impact holiday travelers. Here's the timing and totals we're expecting.

Snow, sleet and freezing rain are expected to continue pummeling the central Appalachians and mid-Atlantic states, while California readies for a storm that could flood areas ravaged by the recent wil