It is just the start of 2025, but the U.S. is already seeing extreme weather across the country, from the wildfires raging in southern California to the uncharacteristically heavy snow in the Southeast and it seems that the return of La Niña may be responsible for some of it.

While Southern California continues to grapple with several devastating wildfires, a massive winter storm is bringing heavy snow and ice to millions of people across the U.S. South on Friday. The storm will continue on Saturday,

She’s back! La Niña has arrived, and its global ripple effects are already taking shape. Cooler-than-average sea surface temperatures in the tropical Pacific, combined with stronger trade winds, are influencing weather patterns

NOAA says La Niña is officially underway in the Pacific Ocean, which will be a global climate driver for the remainder of this winter.