They aren’t getting worse than the worse case predictions. Most of the middle-of-the-road predictions came from models assuming we would have stabilised emissions by now.

They aren't really far off it's just that the models don't show every feature of the climate because they are models, not reality. But regarding the broad strokes the models are accurate and relevant.
Also CNN peddles fear and useless information. They thrive on sensationalism, not by informing people.