The connection between La Niña and dry winters in Denver isn’t 100% but the numbers are strong. Out of the last 22 La Niña winters, 18 of those yielded below-average snow in Denver.

El Niño hasn't even grown cold, but national forecasters say its counterpart, La Niña, is already waiting in the wings to take over. Here's what that means for weather around the U.S. this year.