La Niña has arrived, fueled by colder-than-normal Pacific Ocean temperatures—and it could bring a lot of snow and severe storms.

Someone always portrays it just to the water temperatures in the equatorial Pacific. And a lot of it is more than that.”

The National Weather Service has issued a La Niña advisory for the winter, which could mean warmer, drier weather in Arizona.

By the afternoon, the weak cold front will have moved south of the forecast area, allowing temperatures to rise into the mid-70s to lower 80s. In the metro, temperatures are expected to reach 80 degrees. For comparison, Kansas City temperatures are typically around 70 degrees for this time of year.