Polar vortex set to envelop much of US in freezing temperatures
A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...
New York Post4d
Polar vortex to blast US with freezing temperatures: ‘There’s no escaping this’
Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...