Chicago area temperatures are predicted to peak in the lower 40s Friday before falling to minus 7 Tuesday, according to the National Weather Service. Meteorologist Casey Sullivan said Friday’s highs will be above normal but won’t be unusual for mid-January.

Temperatures will drop into the single digits and negatives starting Saturday through early next week. Chicagoans should wear lots of layers and limit time outdoors.

A more than 30-degree temperature drop in a matter of days could soon usher in some of the coldest temperatures the Chicago area has seen in years. But when can you expect the dramatic shift?

Monday and Tuesday will see cold temperatures around 18 to 19 degrees during the day, falling to single digits at night.

The drop in temperatures in Chicago has raised concerns about river ice formation, which could lead to ice jams in major waterways.

After the snow, a cold front will race across the Chicago area Tuesday, sending 'feels-like' temperatures below zero

Chicago-area residents will wake up to a light blanket of snow Friday morning that could complicate the morning commute, according to the National Weather Service. David King, a meteorologist with

A Cold Weather Advisory is in effect for Chicago with wind chills as low as -25˚, increasing the risk of frostbite in 30 minutes. Warming centers are open throughout the city from Jan. 18 to Jan. 24, including community centers, libraries, park district locations, and police stations.

The National Weather Service has issued a cold weather advisory for the entire Chicago area, taking effect at 6 p.m. Sunday as dangerously cold temperatures move into the region.

Chicago-area residents will wake up to a light blanket of snow Friday morning that could complicate the morning commute, according to the National Weather Service. David King, a meteorologist with