Deadly tornado outbreak hits South, new storm threatens West.

At least 25 people died in Mississippi due to a deadly tornado outbreak and powerful thunderstorms that hit the southern United States over the weekend. A new storm system is set to arrive on the West Coast on Monday night, bringing heavy rain and wind along the shore and heavy snow to the mountains. The storm system is forecast to sweep across the country, bringing more severe weather to Texas and Oklahoma on Thursday, and areas from Texas to Wisconsin could see a major outbreak of severe weather on Friday, with threats of tornadoes, damaging winds, and huge hail.