Double-digit snowfall the weekend millions will travel home after Thanksgiving may be the perfect storm for difficult and potentially hazardous driving conditions, authorities warned Friday.

Heavy snowfall is expected " all day long Saturday, " with over a foot of snow or more projected to accumulate in some parts of the Chicago area.

A winter storm warning was issued overnight for nearly the entire Chicago area including southeastern Wisconsin. It goes into effect at 3 a.m. Saturday and lasts through 6 a.m. Sunday.

“The forecasted winter weather could lead to hazardous driving conditions,” said Illinois State Police Division of Patrol Col. Chris Owen.

Drivers should expect slick roadways and be extra cautious, authorities warned. To ensure you get to your destination safely wh

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