Colorado Public Radio11h
With a final sub-zero blast, polar vortex on its way out of Colorado
Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.
foxweather23h
Prolonged polar vortex grips much of US with brutal life-threatening wind chills likely in Midwest
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...