New Delhi, Dec. 25 -- The National Weather Service's Weather Prediction Center (WPC) has forecast multiple weather hazards across the United States from Thursday (December 25), through Saturday (December 27), including excessive rainfall in Southern California, heavy snow in the West and Northeast, and icy conditions in parts of the Mid-Atlantic.

AccuWeather has warned that a strengthening storm off the West Coast will drive another atmospheric river into California through Christmas Day, bringing life-threatening flooding, mudslides, hurricane-force winds and feet of mountain snow.

According to AccuWeather, Southern California faces the highest flood risk, with multiple inches of rain falling in just a few hours across urban areas and ...