El Nino 2024 Winter Forecast. La niña can affect weather. Experts say that el niño, a natural warming in the pacific ocean, is likely to be a strong event and could make 2024 the hottest year on record.

Noaa forecasts a near 70% chance of la niña persisting through the winter of 2024/25, which means cooler and drier conditions in the southwest and colder. Noaa expects la niña to develop by late summer or fall, possibly affecting the atlantic hurricane season and winter weather across the u.s.