People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

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

Dozens of US states will endure the lowest temperatures they have felt in years next week as a polar vortex brings ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The polar vortex brings some of the most frigid winter air to the U.S., and the recent storm offered a reminder of its power.

The polar vortex of ultra-cold air usually spins around ... Kentucky, Missouri and Kansas canceling or delaying the start of classes Monday. Among them was Kentucky’s Jefferson County Public ...

Kansas, Missouri, Ohio, Indiana, Illinois, Montana and Wyoming. According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 ...

Schools as far south as El Paso, Texas, closed due to a polar vortex that has brought historically low temperatures and ...

An area stretching from Texas to Tennessee braces Wednesday for the possible arrival of freezing rain and snow.

The polar vortex of ultra-cold air usually spins around ... Hundreds of car accidents were reported in Virginia, Indiana, Kansas and Kentucky, where a state trooper was treated for non-life ...