La Nina Winter 2024-25. There's a 79% chance that la niña will occur this winter. During a la niña year, winter temperatures are warmer than normal in the south and cooler than normal in the north.

A weak la niña is expected to develop and that could have some influence on both winter temperatures and precipitation, including snowfall, over the u.s. La niña is still expected to emerge this fall and is likely to persist through the winter, according to an updated outlook from noaa.