Meteorologists are watching the polar vortex and a strong El Niño to see if Oklahoma faces a harsh winter ahead.

Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later this week ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is set to push a blast of extreme cold into Mississippi over the weekend. Some parts of the state will see snow ...

Meteorologists Blame a Stretched Polar Vortex, Moisture, Lack of Sea Ice for Dangerous Winter Blast WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded ...