Cook County is now under a Winter Storm Warning as bursts of lake effect snow will hit the city, south suburbs and Northwest Indiana Friday and Saturday.

The National Weather Service’s monthly roundup of records from O'Hare Airport shows January’s average temperature of 21.9 degrees was just 3.3 degrees below the historic average for the month.

Lake-effect snow has ended in the Chicago area, but cold temperatures will linger overnight into Sunday morning.

A Winter Weather Advisory was issued for Saturday as lake-effect snow continues to fall in parts of the Chicago area and in Northwest Indiana. The advisory is in effect for Cook a

At least on paper, Chicago is experiencing a warm-up to finish this weekend and begin February.

A massive winter storm sweeping across the U.S. is expected to bring snow to the Chicago area Saturday evening, with up to 6 to 7 inches possible with lake-effect snow.

Dangerously cold wind chills linger Saturday morning as snow approaches the Chicago area.

Wind chills of up to 15 degrees below zero hit the Chicago area Tuesday morning, with the National Weather Service warning of “extreme cold temperatures” throughout the day.

Bursts of lake-effect snow could drop several inches of snow on parts of Chicago area Friday and Saturday.