Chicago could see historic double-digit snow as an Arctic blast spreads across much of the US

Chicago is facing a dangerous lake-effect snow event overnight Sunday into Monday morning. A narrow, but extremely intense band could dump snow at a rate of 3 or more inches per hour – so fast it overwhelms the ability to keep roads clear. If the band pivots and stalls, the city could be looking at double-digit snowfall before midday Monday.

​ Chicago is facing a dangerous lake-effect snow event overnight Sunday into Monday morning. A narrow, but extremely intense band could dump snow at a rate of 3 or more inches per hour – so fast it overwhelms the ability to keep roads clear. If the band pivots and stalls, the city could be looking at double-digit snowfall before midday Monday. Read More Breaking News, Latest News and Videos | CNN