As the autumn leaves start falling, so too are sea surface temperatures across the Pacific Ocean, which are giving strength to La Niña conditions. The strengenthing has several implications for much of North and South America with forecast models predicting La Niña to continue buliding up steam until eventually falling back in spring 2022. Models show cooler-than-normal temeratures expected for the Northern U.S., and warmer-than-normal temperatures for the south. Precipitation is variable, with the Pacifc Northwest and Ohio Valley showing above normal amounts, while the Southern Plains and Gulf Coast are expected to be dry. Read more on La Niña and its impacts on the Americas here.