The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...
The main message for now remains a mild, dry, and gradually warming week, followed by a significant drop in temperature over ...
A frigid cold front will keep Colorado below freezing over the weekend. Several rounds of snow in the Denver metro area are ...
Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing ...
Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...
Erin Davis/Axios Visuals A powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures plummeting by Saturday — and possible snow next week. Why it matters: The hazardous ...