Storm Highway Ahead for Southern Travelers

Americans heading south for winter may encounter unexpected severe weather due to a strengthening El Niño. Forecasters warn of a potential "storm highway" across the southern United States, bringing increased risks of extreme rainfall and severe thunderstorms. This climate pattern, typically strongest in winter, is expected to intensify through autumn and peak during the 2026-27 season, with a 63 percent chance of a very strong event.

During a typical El Niño winter, the jet stream shifts south, directing storms toward the southern U.S. This can lead to wetter-than-average conditions, causing flooding and transportation disruptions, especially in popular destinations like Florida and Texas. Travelers should also prepare for a potential rise in severe weather, including damaging winds, hail, and tornadoes, particularly along the Gulf Coast and Southeast.

This altered weather pattern could disrupt the travel plans of hundreds of thousands of seasonal residents who seek milder climates. Communities often marketed as peaceful winter escapes might experience volatile weather more typical of spring. While not every storm will be severe, climate signals suggest a stormier-than-normal winter across much of the southern U.S.