Will Winter 2025 Be Colder. The 2025 winter forecast anticipates severe cold in northern and central u.s. A weak la niña is expected to develop, instead of last winter's el niño.

A weak la niña is expected to develop, instead of last winter’s el niño. So, when a 2025 cold snap is reported as the difference between the actual temperature and “normal,” it will appear to be colder and more extreme than if it were.