
CHICAGO (WLS) -- An arctic blast moved into the Chicago area overnight, leaving behind a bitter cold on Martin Luther King Jr. Day.
The day started with single digit temperatures with a wind chill of -7 degrees at O'Hare.
A Cold Weather Advisory is in effect until noon across the entire Chicago area and Northwest Indiana.
Wind chills could drop as low as -25 through Monday morning.
Gusty winds could blow snow around the area; wind gusts could be between 25 to 35 miles per hour.
The high on Monday is 10 degrees.
Overall, Chicago has a bitterly cold week ahead with highs not getting above the 20s.
SEE ALSO | Full list of warming centers open in Chicago, suburbs
Since Monday is a federal holiday, not many are commuting to work and or school.