As millions of Americans hunker down for the winter storm, 19 states and Washington, D.C., have declared states of emergency.

Track the winter storm as it's forecasted to bring heavy snow and extremely cold weather to the U.S., reaching millions from ...

Southern California is bracing for heavy rain, gusty winds and cooler temperatures as a Pacific storm, fed by an atmospheric river, moves inland through the region. Officials warn that nearby rivers ...

Rain and strong winds continue to impact parts of California as an active storm pattern brings flooding concerns, power outages and hazardous travel across the state. Forecasters say periods of rain ...

A Pacific storm fueled by an atmospheric river is bringing heavy rain and gusty winds to Southern California. Rainfall totals could reach up to 10 inches in some areas, with officials warning of ...