Erin Davis/Axios Visuals An invasion of frigid air from the Arctic is sweeping south from the Plains and Ohio Valley Sunday, moving towards the Southeast and East. Threat level: The ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing ...

Saturday morning, the arctic front pushed through the region. While it may not feel super cold yet, trust us, it's on its way ...