La Niña is here. What does it mean for fall, winter weather in Mississippi?

La Niña is here. What does the weather pattern mean for the end of hurricane season?

"La Niña conditions emerged in September 2025, as indicated by the expansion of below-average sea surface temperatures (SSTs) across the central and eastern equatorial Pacific Ocean," the National Oceanic and Atmospheric Administration's Climate Prediction Center announced on Oct. 9.

Will it affect fall and winter weather in Mississippi? Here's what we know about the seasonal pattern and how it can have an impact on rain, temperatures and hurricanes .

What is La Niña?

La Niña is a part of a natural climate cycle officially known as El Niño-Southern Oscillation, called ENSO by scientists. The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific