Unusual warm weather in Chicago in February creating a summer-like atmosphere.
Impact of weather on tourism activities, such as the closing of the ice rink at Millennium Park.
Valentine's Day in Chicago: Warmest, coldest, snowiest weather
The warmest Valentine's Day in Chicago was in 1954 with a record high temperature of 62 degrees.
The coldest Valentine's Day in Chicago was in 1905 with a low temperature of minus 11 degrees.
How this cold snap has Lake Michigan steaming one day and covered in a thin sheet of ice the next
The recent extreme weather in Chicago, from warm temperatures to bitter cold, has created a fascinating phenomenon on Lake Michigan.
The warm start to winter followed by a sudden plunge in temperatures is due to a shift in atmospheric circulation, bringing cold air masses from Canada.
Biting wind chills, freezing temperatures continue Monday across Chicago area
Biting wind chills and dangerously low temperatures are expected to continue in Chicago through midweek.
The cold snap is the coldest Chicago has seen in five years.