La Niña is a very common weather pattern.

“We actually, believe it or not, had three back-to-back La Niñas from 2020 to 2023,” Michelle L’Heureux, a meteorologist with the National Oceanic and Atmospheric Administration’s El Niño-Southern Oscillation team, told The Oregonian/OregonLive in 2024 . “We had a lot of La Niñas.”

Last winter also fell into a La Niña pattern .

Now, the National Oceanic and Atmospheric Administration Climate Prediction Center says there is a 71% chance of La Niña conditions developing sometime between October and December.

So, as another possible La Niña winter develops in the Pacific Ocean, what does it mean for Oregon?

That depends. Generally, it means a cooler and wetter winter for the state, though global climate change also plays a role in how the w

See Full Page