A late 2017 polar vortex led to temperatures diving to 45 below zero in northern Minnesota. The wind chill was under 60 below ...

A cold winter is in store for those in the northern U.S., with milder temperatures across the southern tier, according to ...

The polar vortex is stirring up, bringing the earliest hints that the seasons are changing. When will Wisconsin see its first ...

The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is ...

It still feels summery in Mississippi with daytime highs in the 80s and relatively high humidity. But nights are getting a hint of a chill, and winter will be here before you know it. The polar vortex ...

The mean first frost in the Providence is Oct. 23, but that varies by town. See the cities and towns the National Weather ...

As the polar vortex begins to stir, subtle clues point to the coming seasonal shift. So, when will freezing temperatures arrive in Indiana?

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...