Storms across both the Western and Southern United States threaten to disrupt flights as millions of holiday travelers prepare to close out the year.

Severe weather across the country could lead to delays and traffic during one of the busiest travel periods of the year.

Severe weather could hamper the journey home after the holidays for millions of U.S. travelers this week and weekend. As Pacific storms continue to slam the West Coast, severe thunderstorms are forecast Thursday across the South,

Storms in the West and threaten flight delays as millions of holiday travelers prepare to close out the year.