The fire broke out at a scrap metal yard a with cars and car parts in the Galewood neighborhood's 1900 block of North Austin Avenue.
Chopper7 captured huge flames raging at the scene around 4:45 p.m.
The Chicago Fire Department said several cars caught fire, but no one was injured.
Firefighters were working to extinguish the flames. CFD said the fire was mostly out by 5 p.m.
What caused the fire was not immediately clear.
Further information was not immediately available.