A piece of the polar vortex spills into the Midwest, creating extreme cold for the Chicago area and northwest Indiana for the ...
A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...
DENVER — A powerful arctic cold front arrived in Colorado on Friday and will keep the state very cold until Wednesday. The temperature could be below freezing for at least 114 consecutive hours ...