A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

Most of the area has been dealing with temperatures and wind chill values well below zero for more than 3 days. The good news ...

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

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

Back when “climate change” took over—when the atmospheric concentration of carbon dioxide was well below 400 parts per ...

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

Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.