Ice forms along the shore of Lake Michigan, Thursday, Feb. 19, 2015, in Chicago. Temperatures have dipped to as low as -13 in parts of Illinois with wind chills forecast to fall to between 20 and 30 degrees below zero. (AP Photo/Kiichiro Sato)
The Associated Press
ROMEOVILLE, Ill. (AP) - Temperatures dipped as low as -14 in parts of Illinois with wind chills forecast between 20 and 30 degrees below zero.
The National Weather Service issued a wind chill warning through 12 p.m. on Thursday throughout much of Illinois. Early Thursday the temperature was -14 in Island Lake in McHenry County and Sycamore in DeKalb County. In Aurora the temperature was -13 and -8 at Chicago's O'Hare International Airport, -9 in Effingham and -3 in Bloomington and Normal.
Chicago Public Schools canceled classes on Thursday due to the extreme cold. So did numerous other school districts. Chicago school officials say they anticipate classes resuming on Friday.
Ice fills the Calumet River Thursday, Feb. 19, 2015, in Chicago. Temperatures dipped as low as -14 in parts of Illinois overnight with wind chills forecast between 20 and 30 degrees below zero.(AP Photo/M. Spencer Green)
The Associated Press
A runner jogs along Lake Michigan as ice forms on the shore Thursday, Feb. 19, 2015, in Chicago. Temperatures have dipped to as low as -13 in parts of Illinois with wind chills forecast to fall to between 20 and 30 degrees below zero. (AP Photo/Kiichiro Sato)
The Associated Press
A cyclist braves frigid temperatures Thursday, Feb. 19, 2015, in Chicago. Temperatures dipped as low as -14 in parts of Illinois with wind chills forecast between 20 and 30 degrees below zero.(AP Photo/M. Spencer Green)
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The sun rises above Lake Michigan as ice forms along the shore, Thursday, Feb. 19, 2015, in Chicago. Temperatures have dipped to as low as -13 in parts of Illinois with wind chills forecast to fall to between 20 and 30 degrees below zero. (AP Photo/Kiichiro Sato)
The Associated Press
The sun rises above Lake Michigan, Thursday morning, Feb. 19, 2015, in Chicago. Temperatures have dipped to as low as -13 in parts of Illinois with wind chills forecast to fall to between 20 and 30 degrees below zero. (AP Photo/Kiichiro Sato)
The Associated Press