NOAA Forecasts Quick La Niña Winter—Here’s What It Means
NOAA Forecasts Quick La Niña Winter—Here’s What It Means
US · Published Sep 21, 2025
NOAA forecasts a La Niña formation between October and December 2025, with a 71% probability.
The Pacific Northwest and Northern Rockies are expected to experience above-normal storm activity due to La Niña.
Other regions may see more typical winter conditions, but staying informed about local forecasts is crucial.
La Niña watch signals development in six months
NOAA's Climate Prediction Center has issued a La Niña watch, signaling that conditions are ripe for its development within the next six months. Forecasters predict a short-lived La Niña, most likely forming between October and December 2025, with a 71% probability. This likelihood is expected to decrease to 54% by December–February 2026. La Niña, characterized by cooler-than-average sea surface temperatures in the central and eastern tropical Pacific Ocean, can significantly influence global weather patterns.
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